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Raspberry-Pi

Raspberry-Pi

Great Reads

by Miroslav Fidler
Installation and the first look at U++ platform
by Marc Clifton
Implementing an SSL capable server in .NET Core WITHOUT ASP.NET, using nginx, and testing Postgres with EF, all running on an rPi
by Marc Clifton
Talk to your rPi over a Slack channel, getting status, controlling devices, and running shell (bash) commands and viewing the console output posted back to your Slack channel
by Andrew Kirillov
The article describes cam2web project - an open source application aimed for streaming cameras as MJPEG streams.

Latest Articles

by Sergey L. Gladkiy
In this article we’ll run our face detector on a Raspberry Pi device.
by Sergey L. Gladkiy
In this article I’ll explain how to perform the alignment based on the face landmarks the detector has found.
by Miroslav Fidler
Installation and the first look at U++ platform
by Jarek Szczegielniak
In this article, we’ll adapt our image for Raspberry Pi with an ARM processor.

All Articles

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Raspberry-Pi 

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22 May 2021
Miroslav Fidler
Installation and the first look at U++ platform
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11 Jan 2019
Marc Clifton
Implementing an SSL capable server in .NET Core WITHOUT ASP.NET, using nginx, and testing Postgres with EF, all running on an rPi
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27 Jan 2019
Marc Clifton
Talk to your rPi over a Slack channel, getting status, controlling devices, and running shell (bash) commands and viewing the console output posted back to your Slack channel
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29 Aug 2017
Andrew Kirillov
The article describes cam2web project - an open source application aimed for streaming cameras as MJPEG streams.
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29 Mar 2018
Andrew Kirillov
The article describes the PiRex robot controllable from either a web browser or a dedicate client application by using REST API.
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17 Jun 2016
Mike Hankey
Configuring the Raspberry Pi as an MQTT message broker using Mosquitto.
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16 Jan 2019
Phil Hopley
Second part in a series on a ROS (Robot Operating System) House Bot
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17 Sep 2017
leon de boer
Introducing SmartStart something like a BIOS for the Pi
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22 Dec 2020
honey the codewitch
A JSON pull parser and a pooling in-memory tree library for modern IoT or even your PC
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28 Apr 2019
Phil Hopley
In this article, we will add AI to an existing ROS (Robot Operating System) House Bot.
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5 Mar 2014
DaveAuld
A quick book review of what could be one of the "Best Haynes Manual Ever"
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30 Jan 2020
fd9750
Overview of required tools to cross compile/build/remote debug C/C++ projects on a Windows host ( 10 ) for a Raspberry PI 3B
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13 Dec 2015
Martin Gmuca
Quick guide and preview of process of installing Windows 10 IoT Core to Raspberry Pi 2
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9 May 2016
ChristianLavigne
As a first application that involves hardware, I decided to keep things simple. The idea is just to hook up a couple Inputs and Outputs and have a program that will work with the GPIO to read/write the values.
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18 Jan 2017
leon de boer
Third in the series of frustrations and adventures with the Raspberry Pi
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6 Jun 2020
Mark H Bishop
Build a motion-triggered cam with room illumination, off-site storage of captured movies, and secure remote administration... all with simple bash scripts. Great for off-site monitoring and wildlife cams.
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3 May 2019
Phil Hopley
Eighth part in a series on a ROS (Robot Operating System) House Bot
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17 Jan 2019
Phil Hopley
Third part in a series on a ROS (Robot Operating System) House Bot
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7 Jun 2016
GProssliner
cobj is a preprocessor based generator for interface based polymorphism
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26 May 2018
Victor Dashevsky
Processing the positioning information of visual objects detected by Pixy camera and received on Raspberry Pi via I2C, and using common design patterns in a C# program parsing robotics sensor data
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23 Nov 2014
Guruprasad.K.Basavaraju
IoT Services: Buddy platform introduction
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31 Dec 2016
Andrew Lai
This is Part 2 of my Raspberry Pi traffic light and weather station project - The mobile app
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23 Apr 2019
Phil Hopley
Seventh part in a series on a ROS (Robot Operating System) House Bot
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5 Oct 2020
Sergey L. Gladkiy
This is the first in an article series where we’ll show you how to detect people in real time (or near-real time) on Raspberry Pi.
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17 Jan 2019
Phil Hopley
Fourth part in a series on a ROS (Robot Operating System) House Bot.
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27 Jan 2021
Sergio Virahonda
In this article in the series, we label a face mask dataset.
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15 Apr 2019
Phil Hopley
Sixth part in a series on a ROS (Robot Operating System) House Bot
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19 Apr 2019
Martin Gmuca
Where did Windows10 IoT move since 2016? What is new in the latest updates (4.2019)?
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7 Aug 2017
FiegeU
A worktime tracking solution that reads RFID tags on a Raspberry based terminal that is integrated to Dynamics AX 2009
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1 Jan 2018
Farooq Kaiser
With $35 raspberry pi and an old screen to build your own digital photo frame.
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23 Dec 2020
Sergey L. Gladkiy
In this article, we’ll show you how to develop a simple motion detector and combine it with the trained DNN model to detect moose on video.
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13 Jan 2021
Allister Beharry
This article series will show you how to build a reasonably accurate traffic speed detector using nothing but Deep Learning, and run it on an edge device like a Raspberry Pi.
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29 Nov 2016
Sujay Sarma
How to minimize Raspbian OS to under 1GB
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12 Jan 2019
Marc Clifton
The journey of using .NET Core to send text to a 2 line LCD connected to an rPi
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28 Apr 2019
Martin Gmuca
In this article, we will look at the process of app development, deploy and debug on Raspberry Pi 3 using VS2019.
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24 Sep 2017
Hussain Patel
In this article we will how to use Breadboard- its a great we to connect circuits and you pi together.
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14 Dec 2020
honey the codewitch
Some C++ magic to help cut down on heap abuse for simple scenarios
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30 Nov 2016
Sujay Sarma
Raspberry Pi 2 - Running out of space
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11 Dec 2016
Dennis E White
VNC experiences on Raspberry Pi
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25 Apr 2016
Lee P Richardson
How to fade an LED with PWM in Windows IoT
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27 Nov 2017
sbarnes
Tip/trick to fix Pi Desktop
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29 May 2016
meconer
Developing a display reader for raspberry pi
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9 Oct 2020
Sergey L. Gladkiy
In this article, we’ll test the accuracy and the performance of the MibileNet and SqueezeNet models on the Raspberry Pi device.
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3 Aug 2018
g96b10
Create a console application that listens to the data your Raspberry Pi 3 uploads to Azure IoT Hub
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3 Mar 2021
Sergey L. Gladkiy
In this article, we compared two DNN types we can use to detect pests: detectors and classifiers.
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16 Dec 2020
Sergey L. Gladkiy
In the next article, we’ll use a pre-trained DNN to detect pests on video.
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17 Dec 2020
Sergey L. Gladkiy
In this we’ll talk about some ideas for detecting "exotic" pests, such as moose and armadillos.
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21 Dec 2020
Sergey L. Gladkiy
In this article, we’ll see how the same result can be achieved by data augmentation.
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22 Dec 2020
Sergey L. Gladkiy
In this article, we’ll discuss training our DNN classifier with the augmented dataset.
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12 Sep 2018
Chris Boss
A short introduction to using the Powerbasic 6.0 console compiler with the Ontime RTOS-32 embedded operating system
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15 Jan 2021
Allister Beharry
In this article, we’ll go through installation of the operating system on the Pi, securing it, and configuring it for remote access over WiFi.
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20 Jan 2021
Allister Beharry
In this article, we focus on developing a computer vision framework that can run the various Machine Learning and neural network models – like SSD MobileNet – on live and recorded vehicle traffic videos.
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27 Jan 2021
Allister Beharry
In this article, we explore the different ways of measuring vehicle speed and the different Deep Learning models for object detection that can be used in our TrafficCV program.
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6 Oct 2020
Sergey L. Gladkiy
In this article, we’ll discuss the pros and cons of the existing DNN approaches and select a pre-trained model for further experimentation.
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30 Nov 2016
Sujay Sarma
Raspberry Pi 2: Configuring it as a complete WordPress Web Server – Part 3 – Install and Configure Apache and PHP
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3 Jan 2016
Richard MacCutchan
See Code Project Quick Answers FAQ[^].
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16 Aug 2017
Jochen Arndt
I'm sorry, but no one here is writing code on request. We can help if you got stuck with some existing code. To help you a little bit: You need the programmatic interfaces to the sensors and the motor (read sensor data and write commands to the motor) and must implement a regulation...
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23 Mar 2016
Jochen Arndt
Your program requires that a port number is passed on the command line. So pass that when starting it:myserver 5001Alternatively you can hard code the port number by changing the code as suggested by CPallini. But then you have to comment / remove the line getting the port number too://...
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31 Mar 2016
Jochen Arndt
Your server sends initially the image size as integer and it is received by the client and stored in the variable size.What is printed by your client when it receives the size?According to the linecout
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8 Oct 2020
Sergey L. Gladkiy
In this article, we’ll see how you can install Python-OpenCV on the device and run the code.
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13 Oct 2020
Sergey L. Gladkiy
In this article we’ll develop Python code for person detection in a video stream.
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14 Oct 2020
Sergey L. Gladkiy
In this article, we’ll modify the code for real-time processing on an edge device.
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27 May 2018
Lee P Richardson
How to push updates to Raspberry Pi UWP apps in prod
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23 Jul 2018
sbarnes
When the winds from Ft. Collins aren't strong enough to sail your boat.
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18 Dec 2020
Sergey L. Gladkiy
In this article we’ll create the training dataset for our pest of choice: The moose.
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24 Dec 2020
Sergey L. Gladkiy
In this article, we’ll test our detection algorithm on a Raspberry Pi 3 device and create the "scare pests away" part of our pest eliminator by playing a loud sound.
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19 Jan 2021
Allister Beharry
In this article, we have a look at the details of the TrafficCV implementation and the various object detection models to use for detecting vehicles and calculating their speed.
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22 Jan 2021
Allister Beharry
In this we discuss improvements we can make to the software in terms of performance or accuracy. We also compare our homebrew open-source system to commercial vehicle speed detection systems.
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29 Jan 2021
Sergio Virahonda
In this article we test a face mask detector on a regular computer.
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22 Feb 2021
grilialex
This article is a continuation of the previous article on Creating a Smart Hydrophone Processing System – Hardware. It is assumed that you have already setup the Raspberry Pi to have remote desktop and SSH agents active.
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27 Apr 2021
Jarek Szczegielniak
In this article, we’ll adapt our image for Raspberry Pi with an ARM processor.
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21 Jul 2021N
Sergey L. Gladkiy
In this article we’ll run our face detector on a Raspberry Pi device.
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27 Jan 2015
TorstenH.
Did you install a driver for the sqlite? You are facing a connection problem, not a programming problem.SQLite Driver[^]Video Tutorial[^]Have fun!
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1 Feb 2015
Sergey Alexandrovich Kryukov
It's acos(-1). :-)—SA
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1 Feb 2015
User 59241
To use the constant M_PI in c++ we must include the lines:#define _USE_MATH_DEFINES // for C++#include at the top of the file. See here:https://msdn.microsoft.com/en-us/library/4hwaceh6.aspx[^]So now we can use in this way:#define _USE_MATH_DEFINES#include...
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8 May 2015
Hitesh Rohilla
2 alternatives  
I am trying to install Windows 10 IoT Core in Raspberry Pi. One of my college tell me that to do this your physical machine should also be installed with Windows 10 Insider Preview however i didn't find anywhere like this written in documentation. It was written at one place to not to install...
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30 Nov 2016
Sujay Sarma
How to configure Raspberry Pi 2 as a complete WordPress web server - syncing and scripts
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30 Nov 2016
Sujay Sarma
How to configure Raspberry Pi 2 as a Complete WordPress Web Server – Install MySQL
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30 Nov 2016
Sujay Sarma
Raspberry Pi 2: How to configure it as a complete WordPress Web Server
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16 Jan 2017
Jochen Arndt
This can't be answered with the provided information.Split it into different tasks and try to implememt one after another:From where do you get the position data? If it is some kind of GPS device, check the documentation. Most GPS devices have a RS-232 serial or USB port. Which...
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12 Aug 2015
Intel Corporation
In the first post in our series about Internet of Things (IoT) developer journey, we introduced the four stages of IoT development. This post explores the first stage.
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23 Jan 2017
CPallini
You have to read an analog value and it looks the raspberry cannot do that directly. Have a look at: Overview | Analog Inputs for Raspberry Pi Using the MCP3008 | Adafruit Learning System[^].
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24 Jan 2017
Jochen Arndt
As already mentioned, the TPM36 sensor provides an analogue output which is not supported by the Raspberry Pi.So you would need an ADC (Analogue to Digital Converter) with an interface that is supported by the Pi. For such low speed data the commonly used interfaces which are provided by the...
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22 Mar 2014
Raul Iloc
You should use the programming language that you know better, and if you just want to start learning one I am suggesting to choose C# or Python and not C++ or C.
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7 Jan 2019
k5054
That's pretty straight forward shell script: the [ -f ... ] expression is a test, in this case -f tests for file existence (see man test) if the test succeeds, then we get root privileges via sudo and move the new executable into position This line sn=$(grep -Po...
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2 May 2017
Andy Lanng
I had a huge explanation that I just scrapped. To put it short: You're taking on too much too quickly. This is a great subject for Electronics ( a field where you create circuitry with custom inputs and outputs) but very complex for applying to a set board. The *pi is a great tool for joining...
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25 Jun 2017
Kornfeld Eliyahu Peter
It seems you have some Google problem... If found it after 15 seconds and there are more... Raspberry Pi Barcode Scanner with Webcam and Python[^]
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11 Mar 2020
CPallini
Have a look at this page Asynchronous GUI Update in GTK[^], see gdk_threads_add_timeout example. Note you may use sprintf[^] (just like you've used printf) to set the buffer that, in turn, will be used to update the label.
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11 Mar 2020
markkuk
You can change the contents of a label with the gtk_label_set_text()[^] function and set up a callback function that gets called each second with g_timeout_add_seconds()[^]. Your callback function should read the temperature using the tempRead()...
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12 Mar 2020
markkuk
You need to create a label with gtk_label_new() before you can change its contents with gtk_label_set_text() Here's a minimal sample program that puts the current time in a label: #include #include static const size_t...
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16 Mar 2020
CPallini
Quote: void read(){ int raw_temperature_msb, raw_temperature_lsb, raw_temperature_xlsb; int raw_pressure_msb, raw_pressure_lsb, raw_pressure_xlsb; int raw_temperature; That's the culprit. Your function name conflicts with this one: read(2) -...
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23 Mar 2016
violence666
2 alternatives  
currently i am using raspberry pi 2 with jessie OS.i want the raspberry(server) to communicate with my windows computer(client) via tcp ip.i have added a port on my pc side.I have a doubt regarding how to open up a port on the raspberrythe pc and raspberry are NOT connected directly....
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11 May 2020
Richard MacCutchan
This question is far too broad for Quick Answers, which is for specific programming questions. And it is far from clear what you expect this package to do. And finally, as someone new to development it is most unlikely that you have yet acquired...
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13 Apr 2016
Member 11246861
Within LAN, laptop gets signals from microcomputer and microcontroller using TCP/IP and SPI
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12 May 2016
Albert Holguin
raspivid -t 0 -o - | nc 172.16.26.32 5001 (my windows pc address and the port number)Seems like you're running this as a client...nRet = connect( hServer, (sockaddr*)&saServer, sizeof( sockaddr ) );if( nRet == SOCKET_ERROR ){ cout
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20 Jul 2020
OriginalGriff
Sorry, but no - we can't help you here. Without "active" monitoring devices such as cameras, you are dependant on "passive" devices, such as using cell tower info to determine user location. And there are major problems with that: 1) It's...
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28 Jul 2020
Garth J Lancaster
not sure about VS 2010, but this may help Getting started with IoT Core and C# on the Raspberry Pi | Blogs | Plextek[^] (See step 7) There is a slightly different option if VS 2010 doesn't support that 'Remote' approach, that is outlined here...
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3 Jun 2016
hasan hadi
I resolve this problemthis information to install mosquittolib with php in raspberrywget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.keysudo apt-key add mosquitto-repo.gpg.keycd /etc/apt/sources.list.d/sudo wget...
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7 Jan 2021
Julian @ Superalgos
A quick tutorial to set up a Pi as a backend service for trading cryptocurrencies with open-source software
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30 Aug 2018
Dave Kreskowiak
It doesn't work because sudo is interactive. It'll ask for a password which your website will not be able to "type in". I don't know how you're launching the command, so I suspect you're launching a command like "sudo command"? You can try changing the command to "echo password | sudo...
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18 Jan 2021
Allister Beharry
In this article, we set up a development environment on Windows 10 for cross-platform computer vision and machine learning projects to run on our Pi device.
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22 Feb 2021
grilialex
In scientific projects, it is often needed to sample sounds from remote locations, for classification or other purposes. As data link rates may be low or unreliable, transmitting raw samples to inland processing centers may not be an option. An alternative is to do off-line processing in batches.
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15 Sep 2014
Member 10390715
2 alternatives  
Hi, I try to make web server + database embedded on MCU, because I want to control the device via ethernet and add / delete database, display database on web server....I am beginner and I do not have much experienceWhat should I choose between Raspberry Pi and Arduino?Please help me. Thanks
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25 Sep 2014
2irfanshaikh
Please refer below link, you will get lots of articles:Code Project IOT[^]Live Video from Raspberry Pi to .NET[^]
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25 Sep 2014
2irfanshaikh
Raspberry Pihttp://www.raspberrypi.org/documentation/remote-access/web-server/apache.md[^]http://www.instructables.com/id/Raspberry-Pi-Web-Server/[^]
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29 Sep 2014
Mehdi Gholam
You are only limited by your imagination.Start here for some ideas : http://www.instructables.com/id/Raspberry-Pi-Projects/[^]
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22 Oct 2014
Member 10390715
1 alternative  
HelloI try to compare ID store in database mysql with ID read from reader RFID in python using Raspberry PI.If right ID -> ON ledHow can I compare it?Here is my code reader RFID: import serialimport RPi.GPIO as GPIOimport MySQLdbfrom binascii import hexlifyserial =...
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22 Oct 2014
George Jonsson
Well, I guess you start with getting the ID from your database.MySQL Python tutorial[^]Then it should be easy to compare the values. :)
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22 Oct 2014
Member 10390715
Hello I write code read RFID tag using python,check the existence of the ID in the database.It successfully, right ID on database led is ON, but command insert to database not work. Python no error message, and I do not understand what's wrong with it.How can I fix it? Please help me. Thank...
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4 Mar 2013
PIEBALDconsult
int Pi = 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003 ;
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11 Nov 2014
Member 10390715
I try to install pyserial on raspberry pi. But it warning this: user warning unknown distribution option 'use_2to3'How can I install it?Please help me. Thanks
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14 Nov 2014
Mehdi Gholam
Start here : http://www.mybigideas.co.uk/RPi/RPiCamera/[^]
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22 Dec 2014
alexhouben
1 alternative  
Hi,If have a Raspberry Pi surveillance cam and it takes every 3 seconds a snapshot.This works 100%, and I display the image with help of the following HTML code: ...
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29 May 2013
mpolaczyk
Public Key Auth - Why it's better than simple password and how to configure
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15 Jun 2013
zizu50
I have raspberry Pi . I use it as a server. I wanna get commands with clients (other devices like android devices) and control microcontroller with UART serial port. I wrote async TCP Socket server with mono C#. Like [this]. http://msdn.microsoft.com/en-us/library/fx6588te.aspxI can use UART...
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27 Jan 2015
Member 10168792
1 alternative  
I have created small code of sqlite database in java.Below is the code for connection with database,Class.forName("org.sqlite.JDBC");objConnection = DriverManager.getConnection("jdbc:sqlite:/etc/javaData/Test.db");In this code the exception thrown in second line for...
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1 Feb 2015
Reuben Cabrera
2 alternatives  
can someone pls help me with the syntax. I need to use math.h for Pi but I do not understand how to use it. the net says a lot of things like saying use cmath but others say math.h they are also a few errors concering the syntax in the statememts under if and...
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3 Jul 2013
Arun Kumar K S
1 alternative  
I am creating a linux init script to copy some files from my pen drive to my raspberry system drive. but its not copying the files from pen drive to system on booting time. but when i executed it from terminal its working fine.for PENDRIVE in /media/* do if [ -d...
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7 Jul 2013
H.Brydon
I've run into this type of problem as well and I have identified 2 things that I have to fix:(1) file/directory protection versus username during boot process ... solution I think is obvious(2) during the boot process, a lot of things run before all disks are mounted. Make sure that the...
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18 Feb 2015
yooomickey
1 alternative  
Hi Chris,Raspberry Pi as low-cost HD surveillance camera by Christoph BuengerI installed everything according to your instruction but I can see anything from my cam neither with Firefox nor Chrome.Please any idea what the problem is?
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18 Feb 2015
Pikoh
Wrong place to ask! You should go to the article page (codeproject.com) and add a comment at the end. That way who wrote the article may answer you..
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14 Oct 2013
Jonathan goldman
1 alternative  
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15 Oct 2013
Zasky
I don't want to put you off, but that's not a trivial undertaking for somebody with no programming or linux experience. Be prepared to put in the hours.So, on your transmitting Pi you could start by installing DarkIce and IceCast. DarkIce will take audio from your mic, compress it for...
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7 Oct 2016
Member 12782061
1 alternative  
i have a Question how to get any unique id or Mac address from my Raspberry pi ?Am using Windows Universal Application Platform Vb.net (Visual Basic ) anyone can help ?What I have tried: Dim deviceinfo = New EasClientDeviceInformationDebug.WriteLine(deviceinfo.id)but...
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7 Oct 2016
Dave Kreskowiak
A MAC address is not a unique identifier. The specification for MAC addresses just says that the id must be unique on the segment the network adapter is connected to. It is not a globally unique id.The best way to go about something like this is to assign a unique id to the device from your...
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9 May 2015
Jochen Arndt
See https://ms-iot.github.io/content/Faqs.htm[^]:Quote:You need to use DISM on Windows 10 and not Windows 8.1.
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12 May 2015
Sergey Alexandrovich Kryukov
Unfortunately, I did not work with this unit, but I know that you have to look for hardware interrupts and their handling. Here is what I found so far:https://projects.drogon.net/raspberry-pi/wiringpi/functions[^] (see waitForInterrupt, wiringPiISR).See also threading API.Note: "The...
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21 Nov 2013
trevorboultwood
1 alternative  
Its my second year in college and I hope to create a database for my project. I like to be on top of the work and I wanted to create my own database I could use for playing around.I am completely new to this area of programming and I love it already, though I have some floors in my initial...
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21 Nov 2013
Ron Beyer
Raspberry Pi's are pretty nice (I have 2), but you can't run SQL Server on them. You may be able to run a Linux based database like MySQL.Yes, you can create tables programmatically with VB, how exactly you do it depends on the database you select. If you want to run VB.Net code on the...
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20 Nov 2016
Member 12745777
1 alternative  
I make the microphone with mosfet, then i record the sound with using what i make.And already i success to record my voice to use the 'alsa' serviced by raspberry pi.But when i used the 'alsa', i write the code everytime in kernel mode like 'arecord -D plughw:CARD=1,DEV=0 -d 3 -f S16_LE...
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20 Nov 2016
Jochen Arndt
arecord is a small command line utility using the Alsa library. So you might use the aplay.c source to add similar functionality to your program (there is only the aplay utility and source; arecord is just a symlink to aplay).You can download the alsa-utils sources at Download -...
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30 Nov 2016
Sujay Sarma
Raspberry Pi 2: Configuring it as a Complete WordPress Web Server – Part 2 – Install and Configure BIND and Transfer Windows DNS Zones
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26 May 2015
Sergey Alexandrovich Kryukov
In addition to my past answer where I explained the idea (Raspberry Pi Pin State change event[^]):This is a very good article with code samples using libwiringPi:http://java.dzone.com/articles/controlling-led-raspberry-pi-2[^].Note that the code sample does not even use the libwiringPi...
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30 May 2015
Robert_Dyball
this solution below worked for me (or see my blog post) :get Windows 10 preview ISO,I used Windows10_InsiderPreview_x64_EN-US_10074.iso mount Windows 10 ISO under Windows 8.1 (double click or right click/mount),copy .\sources folder from ISO to local HDD, say c:\temp\copy flash.ffu...
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29 Dec 2016
Sandeep S. Sandhu
I recommend you buy a Wifi dongle (e.g. Tenda) and plug it into one of the Raspberry Pi's USB ports. Configure your home Wifi on the raspberry (see Setting WiFi up via the command line for instructions). Then your Raspberry Pi will be able to access the internet, the same way your laptop can.
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5 Jan 2017
Member 11859517
1 alternative  
Hello,I have raspberry pi 3 device running windows IoT core OS. I am using windows 7 and visual studio 2015 community. And I have WPF application (say on button click display the 'hello' message) I want to run this application on my device.so how to meet this requirement. can any one...
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5 Jan 2017
tanmoysarkar
Hi,You need windows 10 for deployment UWP application in Windows IoT OS.
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15 Jul 2015
OriginalGriff
It doesn't quite work like that.We do not do your work for you.If you want someone to write your code, you have to pay - I suggest you go to Freelancer.com and ask there.But be aware: you get what you pay for. Pay peanuts, get monkeys.And to be honest, grabbing source code you find...
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18 Jul 2015
ttddssg
1 alternative  
Do GPIO ports (on raspberry pi) can be used for serial communication? or, how we can connect multiple devices for simultaneous communication on single RX and TX of raspberry pi?Edit: I have two devices, a GPS module and a GPRS/GSM module to connect, both uses RX and TX to communicate with...
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18 Jan 2017
Phebous
It doesn't look like your environment is setup correctly. My first step on setting up this environment would be setting up the Raspberry Pi. (https://developer.microsoft.com/en-us/windows/iot/GetStarted). This would allow for you boot the device and remotely connect to a web interface to...
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23 Jul 2015
Mehdi Gholam
When you are using network library like TcpListener or HttpListener code you need to have permissions so run the following :sudo mono yourprogram.exe
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23 Jan 2017
OriginalGriff
We can't tell you.We don't have a "TMP36 Temperature sensor" and we have no idea how it is connected to your board - so we can't even begin to tell you how to read values. We can guess that it's connected via USB so will appear to C# as a serial port - in which case you need to look at the...
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7 Feb 2017
User 59241
NotPolitcallyCorrect is correct. You should investigate the client/server model in TCP/IP.Here is a good tutorial: Tutorial: Client/Server on the Raspberry Pi - DftWiki[^] There is also an article here: Simple Connection Between Raspberry Pi 2 with Windows 10 IoT to PC using C#. [^] Be...
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7 Jan 2019
drvfn
1 alternative  
Hello Im completly noob with this kind of code, someone can explain to me this code? i think this code compare the serial number. but i dont undestand it line by line. if [ -f /opt/k/newApp/kCfg.jar ]; then sudo mv /opt/k/newApp/kCfg.jar /opt/k/kCfg.jar fi sn=$(grep -Po...
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27 Aug 2015
Sergey Alexandrovich Kryukov
Please see my past answer: Raspberry Pi Pin State change event[^].Don't see any code? Then look at the link in question and the link in my answer.—SA
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26 Feb 2019
Andy Lanng
1 alternative  
Hi, I have an MPU6050 that I'm trying to write a library for. https://store.invensense.com/datasheets/invensense/MPU-6050_DataSheet_V3%204.pdf[^] It reads data from it's sensors and stores the values in specific register addresses. I want to be able to read from a specific register but I...
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26 Feb 2019
Gerry Schmitz
Quote: Then the master puts the registeraddress (RA) on the bus. After the MPU-60X0 acknowledges the reception of the register address, the master puts the registerdata onto the bus
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5 Apr 2017
Jochen Arndt
You have to connect the buttons to the GPIO ports of the Rapsberry Pi. How this can be done depends on which signal levels are used by your "Input pup" hardware. When the buttons are also connected to other harwdare (your light controller), you usually have to use level shifters to protect the...
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3 Apr 2019
Member 14150101
hi, i want to make a GUI Program using python, in this program i want to display the value from print at the console to my GUI. for example, i create one file to execute this code. this file name is increment_tets.py import os import time import sys def increment(): for i in range...
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15 Apr 2019
me@dagsunde.com
I'm working with a RaspBee Hat for Raspberry Pi, made by Dresden Electronik. For this project (NodeJS) I use the Deconz-api I found here: GitHub - mozilla-iot/deconz-api at improvements[^] When I run my code to enumerate all devices known to the controller, it hangs on the first run. Then, it...
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21 Apr 2014
Member 4206974
A function for works on event
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15 May 2017
User 13166132
1 alternative  
I am doing a parking sensor with rasberry pi and python this is the code : import RPi.GPIO as GPIO import time #from picamera import PiCamera from time import sleep from gpiozero import MotionSensor import smtplib sender = '*****@gmail.com' reciever = '*****@gmail.com' def BlueLED (): #Blue...
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15 May 2017
Jochen Arndt
As already noted by 0x01AA: The inner while loop is never left once a motion has been detected. To be more precise: Your outer loop is working and looping until a motion is detected. Then you have another infinite while loop which prevents returning to the outer loop. So you have to remove the...
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19 Jun 2019
Meharsyed
1 alternative  
I am taking image using Raspberry pi and i want to transfer it to my PC for image processing but i dont have any idea how to do it. What I have tried: right now i havent did any thing
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19 Jun 2019
k5054
There's a lot of ways, depending on what the context is. If you want to pull it from the windows box, then perhaps look into samba: Samba: Set up a Raspberry Pi as a File Server for your local network - The MagPi MagazineThe MagPi Magazine[^]. Other options would be ftp or scp. Depending on...
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20 Jun 2019
Meharsyed
i have installed filezilla server on my laptop and also added pi as a user. raspberry pi took the photo but was not received by laptop. What I have tried: installed filezilla server on laptop and coded a code (in python) on raspberry pi Raspberry pi Code: import ftplib import picamera from...
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5 Jul 2019
Meharsyed
1 alternative  
I am trying to access SQL server from raspberry pi using the following query but i am unable to do that. and python shell return error: Error: Traceback (most recent call last): File "/home/pi/Desktop/FYProject/Main.py", line 171, in main() File...
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5 Jul 2019
MadMyche
Can't open lib 'SQL Server 11.0.5058': file not found (0)") The error says it all: PYODBC cannot find the Sql Server driver. Perhaps this article can help you get it installed/corrected: Connect to MSSQL using FreeTDS / ODBC in Python. · GitHub[^]
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13 Nov 2015
Arun Kumar K S
1 alternative  
I have setup a Wifi Hotspot using Edimax WiFi Dongle. The Hotspot is working without the eth0 configuration.auto lo iface lo inet loopback #wireless auto wlan0 iface wlan0 inet static address 192.168.9.1 netmask 255.255.255.0 #end wirelessI can connect...
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14 Nov 2015
Albert Holguin
I've venture to guess the crux of your problem is that you have two host addresses on the same subnet. If for example, you pinged 192.168.9.5 from this machine, what interface would you use? ....it's path is ambiguous... The easy fix would be to reconfigure one of your networks to a completely...
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23 Nov 2015
Member 12158013
Regarding your instructions on surveillance camera:Am trying to set up a shared folder on a windows machineI am getting an error message "Mounting local filesystems...mount: mount point 0 does not exist" upon reboot.Additionally, After assuming I can accomplish this: I am not clear what...
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1 Dec 2019
Nubcoder
1 alternative  
Hey guys, new to programming here. I was trying to follow a programming project i found online here: How to Make a Raspberry Pi Smart Mirror - YouTube[^] However, when I tried to install requirements.txt with - sudo pip3 install -r requirements.txt . I get this thrown back at me : ...
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30 Nov 2019
OriginalGriff
Talk to the author: Youtube allows a forum with each video where you can raise comments with the video author and he or she can respond. That way, others who might follow it also get the solution. Or the author ignores you, which shows how little he cares about his videos ... and how much the...
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21 Jun 2017
Member 11741397
I have a video processing program that I have built on EMGUCV and C# using Visual Studio and an Intel i86 desktop environment. This has been made to work in an Ubuntu 1404 environment with Intel i86 processors, using Mono. Now, the new challenge is that this has to be ported to the Raspberry...
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11 Mar 2020
boonC
3 alternatives  
hello guys, i am c programming user. i have a project using raspberry Pi. i have a temperature sensor ds18b20 and its code, i able show its reading value in uxterm or Terminal. i recently make a simple gtk (gui) that do not have any button or any...
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10 Mar 2020
Richard MacCutchan
In your main program loop you should sample the temperature at fixed intervals, or use some event handler to capture changes. Whenever a new temperature value is captured you pass that to the GTK function to updtate the display.
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12 Jul 2017
Er. Tushar Srivastava
1 alternative  
Hi Friends I hope you are fine and doing great. Currently I am working on an interesting project that includes a hardware (Raspberry Pi) and a mobile application. The raspberry pi is configured as a local DNS server + DHCP server + router. It has two Network interfaces and one of them is facing...
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27 Jul 2014
aetheon
Unsafely powering off a #raspberrypi
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7 Aug 2014
Erloic
Hi all,I'm a computer developper , i've been strugling lately for a month now, trying to install all necesary packages to get my Xtion camera to work on my Quad core(Arm) Udoo board with Ubuntu 12.04 with any given sample.Does anybody knows a good tutorial of Xtion + Udoo(ARM) on Ubuntu...
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12 Mar 2020
boonC
3 alternatives  
i doing sum of two number when show the final answer printf in terminal is ok. but i want to show the final answer in (gtk's label) i having a lot of problem. i had tried to refer the website or other people forum. most of them are too...
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11 Mar 2020
Richard MacCutchan
The message is quite clear. You are trying to use a macro (I assume) that does not exist. Check the documentation at GtkLabel: GTK+ 3 Reference Manual[^] for the correct syntax.
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12 Mar 2020
John R. Shaw
I do not known GTK, but C provides the 'fprintf' function. If I remember correctly it will copy the sting data into a string buffer that you supply, instead of copying it to the console. Once you have the string, then just pass it to whoever...
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12 Mar 2020
OriginalGriff
Why does it close? Because you told it to! Look at your code: while(1){ ... return G_SOURCE_CONTINUE; } When the main function hits a return statement, that's it: the program ends. That is exactly what it is designed to do. ...
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30 Apr 2016
violence666
1 alternative  
update:Since my initial question was very specific, i would like to start of with asking how do i inititate a simple bidirectional communication using tcp/ip?Hello,I want to receive H.264 video stream from a TCP/IP socket (without use of RTSP or other internet streaming protocols)...
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22 Aug 2014
carefreeames
You can install the lighthttp webserver on your pi and put the outputs there for your collegue to grab. if you need to push the information, you could push to a remote CGI on a webserver, or upload the data via FTP, there are numerous other methods if I understand your question.sudo apt-get...
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29 Mar 2016
violence666
1 alternative  
Hello,I have configured my raspberry pi as a server and my Windows pc as a client.The raspberry pi sends an image to the pc when connection is established.on the PC side, i am using Visual studio. I have included the dependencies of openCV2i used the following command: image =...
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29 Mar 2016
Jochen Arndt
When fopen() fails (returns NULL) check the global variable errno to know why opening the file failed and optionally get the error message using strerror(). To have access to errno, include the header file errno.h: #include // ...if( image == NULL){ int err = errno; ...
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30 Mar 2016
violence666
1 alternative  
hello,i have designed a code for a tcp ip communication between raspberry pi and windows. the pi acts as a server and the pc acts as a client. the server listens on the port for any incoming requests form the client side. as soon as it receives a request, it sends an image to the client....
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4 May 2020
Ingenium2.0
Hello Friends, I'm messing about with a facial recognition door locking project but it unlocks the condition is met. I've tried a few solution but none were successful and i'm stumped.The power is regulated with a one-channel relay switch but...
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17 Sep 2017
Mike Hankey
Check this SO post for a solution.
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13 May 2020
RichardV
1 alternative  
I'm trying to work out how to capture a Pin.ValueChanged event in VB.NET. I have a PIR switch attached to GPIO Pin #21 on my raspberry Pi 3B. When PIR movement is detected it goes high to 3.3v and when no movement is detected for a set time it...
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13 May 2020
RichardV
I managed to fix the problem. here is the code now. It works the event fires when the PIR sensor detects movement of a warm body. AddHandler PIR_Pin.ValueChanged, AddressOf PIR_Pin_ValueChanged Private Sub PIR_Pin_ValueChanged(ByVal sender As...
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18 May 2020
Moonwalker031
1 alternative  
I am writing a Python prog on Raspberry Pi that has a function to write some data to a USB drive. I need to Unmount/Eject it when ready so that the user can take it out. Is there a way to do it through the python prog please? What I have...
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18 May 2020
Richard MacCutchan
See Eject/dismount a USB with code on a Pi - Raspberry Pi Forums[^]
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10 Oct 2017
Gedarius
if this service was an API or Web Service, this message is telling that you don't have a key to access the service. you can try enter in the service website and ask for an API key
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22 Jun 2020
Garth J Lancaster
1) It's really helpful if you're asking a question to do with a DB or single table within a DB, that you provide a schema - else really, it's a bit of a guess (you could & should use 'Improve Question' to update your question) 2) The thing I see...
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30 Apr 2016
leon de boer
The easiest way to start playing with this is grab telnet code its everywhere on the net in all flavours.Windows has both telnet server and client options standard you go to "install options" and you can choose either. You can therefore play with writing the client or server code and have...
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10 May 2016
violence666
helloi want to achieve a live streaming from my raspberry pi to windows PC via TCP/IP using raspivid and netcat. On the windows side, I want to display the live video stream using openCV.I have created a c++ based tcp/ip client model on the windows side (using VS2012) where it tries...
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12 May 2016
violence666
1 alternative  
i want to save and decode a video slice from a live video stream sent from my raspberry pi to windows PC via TCP/IP using raspivid and netcat. i run my pi code 1st. i get the video displayed on my pi screen. but when i run the client, i get an error "Connection to server failed"I am...
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13 May 2016
Mike Hankey
There are many articles on how to do this, just googled and got several hits right off;Look at; Build an Azure App Service to record Raspberry Pi Sensor Data or Azure Insider : Connect Your IoT Device to the Cloud or even Use RPi, Azure, and Cortana to Automate your Home!
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30 Jul 2020
ChrisBonnert
2 alternatives  
I have Microsoft Visual Studio 2010 Professional installed on Windows/10 and have been coding in C# for a couple of years. I have just installed Dot Net Core 3.1 SDK. I want to write C# code to run on a Raspberry Pi running Raspbian Buster...
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30 Jul 2020
ChrisBonnert
Garth, Thanks for all those links, they are various ways around my problem and I will certainly follow them up. However, I do not need remote debugging and I am quite happy to deploy the compiled code manually to the pi. So I just want to...
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19 May 2016
violence666
i have made a code in which i receive the live stream on my client from my Raspberry pion my Pi (server) i have used a netcat command pi@raspberrypi ~ $ raspivid -t 0 -o - | nc -l 5001 on the receiver, i store the received data in a buffer, and then that buffer i pass it to my decoder...
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4 Jan 2018
mariummalik22
I am trying to send web request to my php code via linux running on raspberry pi. I am using putty to access the OS. When I am running the code, I am getting gai error-2. Below is my code: import requests values = {'"firstname":' "abc ", '"lastname":' "xyz"} r =...
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8 Jan 2018
Member 13611584
1 alternative  
How do I make these line of codes into a double click desktop icon for simplicity. So far I have to write the first line then hit enter and then write the second line cd /home/pi/git/TouchSelfie/scripts python ./photobooth_gui.py What I have tried: I do not know much really about python and...
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8 Jan 2018
ZurdoDev
If those are valid commands you can just put them into a text file and use the extension .bat to make a batch file or .cmd to make a command file. Then double-clicking it will execute both lines.
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25 Jan 2018
julia 31000
1 alternative  
Hi, I am a beginner in raspberry pi , i would like to create a network composed of raspberry pi as extremeties(endpoints and root) and telos b as routers. What I have tried: I did this example Example 1: Hello 6LBR · cetic/6lbr Wiki · GitHub[^] so i have raspberry pi as root and telos b as...
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25 Jan 2018
Richard MacCutchan
Use Google to research samples and tutorials on raspberry pi.
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6 Mar 2018
CPallini
It depends on the communication medium between the raspberry and the microcontroller. For instance if you are using the UART (serial communication) then you have to implement a (very simple) protocol for transferring binary data.
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23 Sep 2020
Gerry Schmitz
I always Ping before connecting or trying to reconnect. Ping Class (System.Net.NetworkInformation) | Microsoft Docs[^]
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8 May 2018
Member 11296776
1 alternative  
I have a jar file that listen to tcpip requests and send data accordingly. this jar file needs to run on a service in raspbian. i've followed the instructions on this link I've create sh file and put it in /usr/local/bin (Tourmaline.sh): #!/bin/sh SERVICE_NAME=Tourmaline...
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8 May 2018
Jochen Arndt
Your Java application is not listening when started by the systemd script. Such applications should check for errors (here when creating a listening socket) and print an error message and terminate with a non-zero return value upon errors. The calling script should check the return value, clean...
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19 Jun 2018
Member 13134669
1 alternative  
Hello, Is it a way to run a C# app on WindowsIOT Raspberry from Win7 computer and give this app a parameter to start. And when the app closed, to give back a true parameter or false ? thanks for you help Best regards gic What I have tried: I have try with a batch but no success
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19 Jun 2018
Jochen Arndt
You have to deploy the application to your RaspBerry Pi first (see Deploying an App with Visual Studio - Windows IoT | Microsoft Docs[^]). To start the application remotely, you have to remotely login on the Pi using a method that allows executing commands like with SSH. With Windows, you can...
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24 Jun 2018
OriginalGriff
Deleting your question becasue you don't like the answer: How to change this Python code to C? Help me please[^] doesn't change anything: we are still not a code conversion service.
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24 Jun 2018
KarstenK
In C you need braces ({}) to start and end a block. That is missing. while(1) { //do some stuff if( error ) break; //or set some bool for the while statement } Learn to use a debugger. Here is a good C++ tutorial to learn the basics and the debugger. I think a lot code is missing and...
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30 Aug 2016
Brady Kelly
1 alternative  
I have a nice "Resource CD", with a setup.exe and loads of drivers and other file, but in the Linux Drivers folder there is just a URL, which lets you download a file that unzips to an .img file. Now every person in the linux world has a different idea or technique for what to do with the...
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30 Aug 2016
Jochen Arndt
With Linux, drivers are related to the used kernel. That means that the driver binary has to be build for the specific kernel in use.Therefore, Linux distributions include already drivers for many hardware.But problems arise when using a brand new or exotic hardware that is not supported...
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30 Aug 2018
MateoGlowinski
1 alternative  
Hi, i've problem with Apache2. It is not executing Python Scripts which includes "sudo" command. Those scripts are working fine while running from terminal (as a "pi" user). Apache2 is running also "pi" user. Response for ps aux | grep apache2 command: root 409 0.0 0.4 7544 3824 ?...
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12 Sep 2018
N. Henrik Lauridsen
Hi, I have a Raspberry Pi streaming video on http://pi-address:8082/ The Raspberry Pi code comes from: https://github.com/waveform80/pistreaming In Chrome and Edge I can watch the video with no problem. Now my problem is how can I do this in Windows UWP with a good performance and low...
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26 Jan 2021
Sergio Virahonda
In this article we prepare a face mask images for our AI model training.
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29 Jan 2021
Aditya Bavigadda
I am planning to buy a raspberry pi 4 and this is the first project I want to do https://www.hackster.io/8_Bits_and_a_Byte/monty-python-s-argument-bot-d616b8#code so I was wondering if the code could be modified to work without a servo and...
17 Jan 2017
Peter Belcher
Hooking up a Raspberry Pi to Predix; reading data from a file system and flowing that data into Predix without the need for manual intervention.
15 Dec 2017
Intel Corporation
This is a "Getting Started" guide for the Intel® Speech Enabling Developer Kit
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4 Jan 2017
Andrew Lai
A small project to give my son a great surprise
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15 Jan 2019
Phil Hopley
First part in a series on a ROS (Robot Operating System) House Bot.
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11 Aug 2016
CoderGirl42
Finding true North using GPS and a compass with Raspberry Pi.
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13 Sep 2013
DaveAuld
Bought, Imaged and Booted - So far so good!
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11 May 2014
Christoph Buenger, DaSpors
Build a low-cost HD video surveillance cam with worldwide access from any browser
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3 Mar 2016
Ranjan.D
This article is all about Voice over IP (VOIP) and SMS implementation for IOT devices. We will be making use Twilio API's in coding this solution.
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10 Nov 2014
Guruprasad.K.Basavaraju
Introduction to Raspberry pi with Raspbian OS. Also a small example of building a simple circuit and programming the same
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6 Feb 2017
George Swan
How to set up a two-way interface between a remote browser-enabled device and a Raspberry Pi.
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6 Dec 2013
DaveAuld
Google Coder == "A simple way to make web stuff on Raspberry Pi.", well that is what they claim!
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14 Nov 2016
Hussain Patel
Raspberry Pi - the incredibly small computer of the size of credit card and cost less than $40 has gained popularity not only because of this but its capability for connecting to electronics and devices using the GIPO pins.
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7 Nov 2014
Grasshopper.iics
Configure Raspberry Pi in LAN with a Laptop, Install OS over LAN, Programming in Pi, Web Server in Pi
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8 Apr 2019
Marc Clifton
Bonus - Group chat with your rPI's using SlackBot
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16 Aug 2016
DataBytzAI
Are you a developer? ... then you can build a robot...
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28 Dec 2016
Andrew Lai
Power on, safe shutdown and power cut-off for Raspberry Pi
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3 Nov 2016
Anele 'Mashy' Mbanga
Hello Basic4Java (B4J), a simple Java app written in basic language.
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7 Nov 2014
Ondrej_Uzovic
Simple example showing how to implement live video streaming from Raspberry Pi camera to a .NET application.
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13 Jul 2017
Chris Moutsos
How to connect to Amazon S3 with gSOAP to store and retrieve data
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8 May 2014
SeattleGus
This is an alternative for "Raspberry Pi HD surveillance camera with motion, night settings and a website"
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15 Dec 2016
leon de boer
More playing, crying and laughing with the Raspberry Pi
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12 May 2015
d0fl
1 alternative  
Tutorial to create sharp 720P pictures by day and night and has a website that shows the last 10 pictures
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29 Jan 2016
Martin Gmuca
This tip describes configuration options on Windows 10 IoT Core on Raspberry Pi 2 B
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20 Jul 2016
Joel Ivory Johnson
Windows IoT on Raspberry Pi doesn't yet have native support for a hardware real time clock. I've created a solution for getting Windows IoT to initialize its clock from RTC at bootup so that other solutions don't need to be modified to read from the RTC directly.
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28 Nov 2016
leon de boer
Failing and musings of two weekends with the Raspberry Pi
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5 Dec 2013
DaveAuld
Real World Interfacing to the Raspberry-Pi using a Gertboard.
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7 Aug 2016
Mikolaj Barwicki
How I built a sous-vide cooking device on Raspberry PI with Windows IoT controlled via AllJoyn protocol from Android smartphone.
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5 Oct 2016
Sandeep S. Sandhu
Deploy Kerberos on a Raspberry Pi IoT to provide robust and enterprise scalable authentication for IoTs (Part 2)
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5 Nov 2014
Christoph Buenger, DaSpors
How to build an audio streaming box with a Raspberry Pi micro computer that streams online audio streams or local audio files to your audio system/speakers
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3 Mar 2017
VISWESWARAN1998
Scrape the websites with Python 3
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30 May 2017
D4rkTrick
You want to compile c++ code that uses qt on the raspberry pi? here's how you do it.
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22 Aug 2014
Joren Heit
Designing and implementing a Pi2Pi chat-protocol in C++
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20 Jul 2021N
Sergey L. Gladkiy
In this article I’ll explain how to perform the alignment based on the face landmarks the detector has found.
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11 Jan 2016
hans.hinnekint
How to serialize and encrypt an Object using C#
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29 Oct 2015
Mike Hankey
First in a series of articles relating to the new Raspberry Pi 2 running the new Raspbian Jesse OS.
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22 Dec 2020
honey the codewitch
Highly efficient access to JSON data sources and selective bulk loading JSON on any platform using a new JSON paradigm