LinkIt Smart 7688 Duo - a good board for anyone needing to develop quick IoT prototypes that also wish to continue into the manufacturing and delivery phases of their new product.

Arduino

Linux

Node.js

product-showcase

IoT

Getting Started With Arduino

9 Nov 2014 by charankumar516

Absolute Beginner's Guide to Arduino

CmdMessenger

2 Apr 2015 by ChRi$m0rG@N

An article about an omni directional Arduino Yun robot, and an alternative .Net implementation of CmdMessenger

CloudCooker - IoT Temperature Controller

11 Feb 2020 by Chris Gannon

An Azure-driven service for Arduino based PID controllers designed for control and monitoring of grills and other cooking devices

Falling Blocks on an Arduino Nano with 4x 8x8 dot Matrix

19 Aug 2020 by Christ Kennedy

Here's how I made a game of Falling Blocks with my Arduino Nano, a clothes hanger and some duct tape

C++

Arduino

DevOps

Arduino - Exercise Reps Counter with Analog Voltage Divider Button Controller

25 Sep 2020 by Christ Kennedy

An Arduino project that keeps track of your best Workout times and rep-counts

Arduino

hardware

DevOps

Matrix Voltage Divider Button Calculator for Microcontrollers

4 Dec 2020 by Christ Kennedy

Interactive interface helps generate resistance ratios for button matrices of various sizes

Arduino

Simone Says

11 Mar 2021 by Christ Kennedy

The classic electronic game brought to you by Arduino Micro Pro

C++

Arduino

Arduino Home Distillery

18 Dec 2021 by Christ Kennedy

Distil hand-sanitizer and other social lubricants using an Arduino

Arduino

Arduino Kitchen Timer & Thermometer

22 Aug 2021 by Christ Kennedy

How to keep your KD from burning in the pot

C++

Arduino

Dev

Arduino - KVM Remote

5 Feb 2022 by Christ Kennedy

Build a remote control for a cumbersome wire tangled KVM that fits better hidden under your desk

Arduino

Dev

Wieganduino - Generate Wiegand Codes with Arduino

3 Jul 2018 by CPallini

Generate 26-bit Wiegand codes with Arduino Nano

Arduino

Heat The Box - Temperature Control with Arduino Nano

7 Aug 2018 by CPallini

This article describes one of my experiments: a temperature control system for a cartoon box.

Arduino

Dev

Arduino Platform - SIMON Game Implementation

27 Oct 2009 by DaveAuld

Using the Arduino platform for a SIMON game implementation.

Arduino Platform - Interrupts Introduction

23 Feb 2010 by DaveAuld

An Introduction To Arduino Interrupts

C++

Arduino

Dev

Arduino Platform - Differential Gap Control (Solar Tracker)

22 Sep 2010 by DaveAuld

Simple implementation of a differential gap control to track the sun East/West movement

Arduino Platform - Working with Shift Registers

10 Jan 2011 by DaveAuld

A beginners' introduction to using shift registers with the Arduino

Lightning Never Strikes Twice? Maybe Blitzortung knows!

27 Aug 2015 by DaveAuld

Building for and consuming the Blitzortung Lightning Detection Network

LightBlue Beans - Magic Beans and no beans[talk]?

9 Nov 2014 by DaveAuld

Low Energy Bluetooth meets Arduino compatible microcontroller in a small form factor, is this just a fairy tale?

Motor Shield

3 Oct 2017 by David Crow

Brief example on how to use Android and Arduino to control a DC motor and LEDs over Bluetooth

Simple Socket Protocol for Embedded Systems

2 Jan 2022 by David Lafreniere

A portable C language socket-based software transport protocol library for any hardware communication interface on any platform

A DIY Web Enabled Water Meter

16 Jan 2024 by deangi

An ESP32 is used to track water usage and serve web pages with water use data

A DIY IoT Power Monitor

28 Jan 2024 by deangi

Monitoring AC loads with CT sensors

A DIY Bluetooth Low Energy Temperature and Humidity Server

26 Feb 2024 by deangi

An ESP32 with a temperature/humidity sensor are configured as a bluetooth low energy server to provide remote monitoring

ESP32 DIY GPS Tracker

21 Nov 2023 by deangi

DIY GPS Location Tracker

A DIY Bluetooth LE to WiFi Bridge

4 Mar 2024 by deangi

A Bluetooth LE scanner gathers data on a schedule from one or more BLE servers and forwards it to WiFi.

Infrared Remote Control for your Computer

30 Nov 2017 by Elmue

This article describes the easiest way to remote control any computer with any infrared remote control that you already have.The idea is to control your music or video player on the computer from your couch. I have seen serveral projects for this purpose in internet but none of them satisfied me.

Arduino

DIY electronic RFID Door Lock with Battery Backup

7 May 2018 by Elmue

An electronic door lock that replaces a mechanic key by an RFID card or RFID token.

A USB HID Keyboard, Mouse, Touchscreen emulator with Teensy

13 Nov 2017 by Elmue

This article describes how to use a Teensy 3.1 board from PJRC.com to simulate keyboard, mouse and touch screen USB HID devices at the same time. This allows to remote-control a computer through one USB cable.

Car Distance Sensors Using an Ultrasonic Transducer

28 Jun 2018 by Florian Rappl

A car distance sensor using the Arduino with an ultrasonic transducer

GarageWatcher - A Full-Stack IoT Project, from Hardware to App

2 Jun 2020 by g96b10

Musings, tips, and lessons learned from developing a physical device, serverless back-end, and Android app

KnowPain

2 Sep 2013 by Grasshopper.iics

Tracks and Alerts Patient's pain from mind signal

Arduino

WPF

Stage 1 - Introduction to the Internet of Things: What, Why and How

26 Oct 2014 by Grasshopper.iics

A beginners guide to Internet of Things: Common Questions that were never answered!

Arduino

IoT

wearables

Stage 3:Turn your basic Arduino device without Any Internet Shield into IoT using Clever Serial Communication and ASP.Net Webservices

23 Nov 2014 by Grasshopper.iics

A beginners hack to turn Arduino in to a IoT device with C#, Asp.Net web services

Stage 2:Getting Started With ArdOS for Arduino

9 Nov 2014 by Grasshopper.iics

A Beginner's Tutorial for Arduino with ArdOS

Stage 3: Live Weather Station With Arduino and ThingSpeak

23 Nov 2014 by Grasshopper.iics

This article is a beginners walk through of Developing an IoT framework for Arduino without Ethernet/WiFi shield using ThingSpeak Services with a real time Online Weather Station

Stage 4: Complete Beginner's Guide For Arduino Hardware Platform For DIY

9 Dec 2014 by Grasshopper.iics

All about working with with Sensors, Actuators and Other Hardware With Arduino

C++

Arduino

IoT

Stage 4: Smart Object Over IoT-Programming RFID

7 Dec 2014 by Grasshopper.iics

A tutorial on How to Read RFID Tags and A Security System DIY Project

Stage 5-UROBI:The Ultimate Robotic Framework Over IoT For Arduino

22 Dec 2014 by Grasshopper.iics

This tutorial present a step by step guide for building the ultimate robotic control and information sinking for Arduino Controlled Robots over Internet of Things

Internet of things - Overview

26 Oct 2014 by Guruprasad.K.Basavaraju

IoT Services - Introduction to Buddy Platform

23 Nov 2014 by Guruprasad.K.Basavaraju

IoT Services: Buddy platform introduction

Arduino

Raspberry-Pi

IoT

A Method for Transmitting Uncompressed 44.1kHz 32bit I2S Audio from Arduino MKR WiFi 1010

17 Oct 2022 by hemanthk119

This article describes modification of Arduino NINA firmware to wirelessly transmit I2S microphone data.

LED Candle Light with Timer

25 Feb 2019 by hjgode

LED candle light with timer

A Tour of the Arduino Mega 2560+WiFi R3

30 Oct 2020 by honey the codewitch

Using this cheap, powerful little device to make magic

Harnessing the ESP8266 in the Arduino Mega 2560+WiFi R3

2 Nov 2020 by honey the codewitch

Turbocharge your device with a clever way to configure your board

Arduino

All-Topics

Dev

IoT Smart Clock using the Mega 2560+WiFi R3

10 Nov 2020 by honey the codewitch

An advanced network connected clock that puts the Arduino through its paces

Swipe Gestures Using a TFT Display

3 Dec 2020 by honey the codewitch

Implement swipe left/right/up/down using a TFT touchscreen and an Arduino compatible device

Big JSON on the Arduino: Parse Huge Data on a Tiny Device

11 Dec 2020 by honey the codewitch

Streaming your data and parsing on the go with tiny gadgets

Fast Memory Allocation and Pooling for Constrained Environments

14 Dec 2020 by honey the codewitch

Some C++ magic to help cut down on heap abuse for simple scenarios

JSON on Fire: JSON (C++) is a Blazing JSON Library that can Run on Low Memory Devices

22 Dec 2020 by honey the codewitch

A JSON pull parser and a pooling in-memory tree library for modern IoT or even your PC

Diet JSON and a Coke: An Exploration of Incredibly Efficient JSON Processing

22 Dec 2020 by honey the codewitch

Highly efficient access to JSON data sources and selective bulk loading JSON on any platform using a new JSON paradigm

JSON by Design: A Walkthrough of a High Performance JSON Processor

1 Jan 2021 by honey the codewitch

Designing infinitely scalable JSON: JSON (C++)

Fun With State Machines: Incrementally Parsing Numbers Using Hacked Regex

2 Jan 2021 by honey the codewitch

Hoodwink your computer into doing your work for you using regular expressions

Use Both Cores on an ESP32: Easy Synchronization with Esp32SynchronizationContext

25 Feb 2021 by honey the codewitch

Take a page from .NET and enjoy an easy way to safely pass information between threads on an ESP32

FreeRTOS Thread Pack: Create Multithreaded IoT Code The Easy Way

27 Feb 2021 by honey the codewitch

Using a popular RTOS to enable easy multithreading on your IoT gadgets

ESP32 Deep Dive: What Time Is It?

8 Mar 2021 by honey the codewitch

Traipsing through the ESP-IDF to add some sweet sweet real-time clock functionality

GFX Part 1: A Device Agnostic Pixel

11 Apr 2021 by honey the codewitch

A device independent graphics library for IoT devices. Part 1 of a series.

GFX Part 2: Device Independent Bitmaps

17 Apr 2021 by honey the codewitch

GFX IoT graphics library part 2 - device independent bitmaps

GFX Part 3: Drawing Primitives

25 Apr 2021 by honey the codewitch

Explore the basic drawing functionality provided by the GFX IoT library

GFX Part 4: The ILI9341 Display Driver and JPEG Support

4 May 2021 by honey the codewitch

Use an ILI9341 display efficiently from an ESP32 without the Arduino framework. Load JPEGs.

GFX Sidebar: Inside the ILI9341 Display Driver on the ESP-IDF

6 May 2021 by honey the codewitch

Explore the inner workings of a highly capable IoT display driver for the ESP32

GFX Forever: The Complete Guide to GFX for IoT

8 Mar 2022 by honey the codewitch

GFX is a fast and full featured replacement for standard IoT drawing libraries that is optimized to reduce bus I/O

GFX In Depth: Part 1 - Drawing Fundamentals

3 Jun 2021 by honey the codewitch

Explore techniques for drawing using GFX

GFX In Depth: Part 2 - E-Paper Displays

18 Jun 2021 by honey the codewitch

Use GFX effectively with e-paper/e-ink displays

zip.hpp: Zip Viewer and Extractor Library for IoT

19 Jul 2021 by honey the codewitch

Browse and extract zips in constrained memory environments

ml_reader.hpp: A Markup Pull-Parser for IoT and Beyond

24 Jul 2021 by honey the codewitch

Do efficient, low level parsing of markup like HTML and XML

Big Stuff on Little Widgets: An Exploration of Doing More With Less

25 Mar 2022 by honey the codewitch

On PC platforms, just getting it done is king. On IoT, the trick is doing it in the first place.

C++

Arduino

ESP32

Render Professional Screens on IoT

27 Nov 2021 by honey the codewitch

How to take your IoT graphical interface from the mid-1990s into the present

High Performance Decoupled Buses for IoT Displays

18 Feb 2022 by honey the codewitch

Run your IoT display driver independent of the bus it uses, whether I2C, SPI or parallel

Using GFX in PlatformIO

21 Apr 2022 by honey the codewitch

Take advantage of the PlatformIO repository to easily add GFX to your projects

Creating Custom Draw Targets in GFX

25 Mar 2022 by honey the codewitch

A more in-depth guide to creating drivers and other custom draw targets for GFX

Driving Multiple Screens with GFX and an ESP32

22 Apr 2022 by honey the codewitch

How to use GFX to drive multiple screens at the same time on an ESP32

Advanced Streaming on Little Gadgets: MIDI Files

9 May 2022 by honey the codewitch

Explore some streaming techniques while getting your shiny new ESP32S3 to do some USB and MIDI tricks

Prang: A MIDI "Score Sampler" on the ESP32S3

15 May 2022 by honey the codewitch

Trigger tracks from Type 2 MIDI files to add to your recording or performance

An Internet Enabled Analog Clock for IoT (ESP32)

11 Jun 2022 by honey the codewitch

Create a simple synchronized analog clock using GFX, and a bit of code

A Web Enabled Smart Clock and Weather Station

16 Jun 2022 by honey the codewitch

Create a clock that uses multiple Internet services to detect your weather, date and time

Unboxing the M5 Stack Fire 2.6

14 Jul 2022 by honey the codewitch

Unlock the potential of this neat little IoT widget

Prang Once Again

25 Aug 2022 by honey the codewitch

Dusting off an old MIDI toy project and making it less of a toy.

A Sonos Speaker System Remote for the TTGO T-Display v1

13 Dec 2022 by honey the codewitch

Control the sound from your Sonos system in each room of your house

A Tale of Two Buttons: Building an IoT Button Library for Arduino

9 Dec 2022 by honey the codewitch

Building a button library seems simple until it isn't.

A TTGO Display T1 Based Fan Widget

9 Jan 2023 by honey the codewitch

A project that allows you to use a knob to control a fan's RPM with feedback

C++17

Arduino

IoT

TTGO Fan Take 2

10 Jan 2023 by honey the codewitch

A far more functional fan controller than before, and some powerful programming techniques

Writing an X11 Color Picker With GFX

20 Apr 2022 by honey the codewitch

Implement a fancy color picker in your ESP32 WROVER or WROOM IoT applications

i2cu: An I2C Bus Probe Tool for the TTGO T1 Display

13 Mar 2023 by honey the codewitch

Easily determine active devices on an I2C bus with this simple device

i2cu Take Two: Serial and I2C Probe in a Handy Package

16 Mar 2023 by honey the codewitch

Debug your circuits with this handy device

Player: A Simple Cross Platform Audio Class for IoT

9 Apr 2023 by honey the codewitch

Mix wavs and waveforms with this simple to use library

Using the New ESP32 LCD Panel API With htcw_gfx and htcw_uix

20 Mar 2023 by honey the codewitch

Combine some great technologies for rich, responsive IoT user interfaces on the ESP32

EspMon Reboot

11 Jul 2023 by honey the codewitch

Monitor your PC's CPU and GPU with an ESP32

C++

Arduino

ESP32

SFX: Making Noise with a New Audio and MIDI Library for IoT

25 Jul 2022 by honey the codewitch

Make your little devices sing

Winduino: A Tool to Prototype Arduino Projects on the PC

30 Sep 2023 by honey the codewitch

Run and develop Arduino code, including a display, on PC using this Windows PC shim and emulator.

Automatic Network Configuration of ESP8266 IoT Devices

5 Nov 2020 by honey the codewitch

A walkthrough and source code for automatically configuring your ESP8266 IoT devices