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Articles by Mircea Diaconescu (Articles: 5, Technical Blogs: 8)

Articles: 5, Technical Blogs: 8

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Average article rating: 4.96

Internet of Things
	iotduino takes JavaScript to the land of microseconds 10 Dec 2014 Updated: 10 Dec 2014 Rating: 5.00/5 Votes: 6 Popularity: 3.89 Licence: CPOL Views: 17,010 Bookmarked: 9 Downloaded: 0 Please Sign up or sign in to vote. In this article, we describe how to develop IoT apps with Node/JavaScript for the Arduino-compatible PCDuino. We take JavaScript to the land of microseconds where a digitalWrite operation takes 6-7 microseconds and a digitalRead operation takes 4-5 microseconds.
	Arduino WiFi-Connected Weather Station with Android User Interface 17 Feb 2016 Updated: 4 Apr 2016 Rating: 4.98/5 Votes: 85 Popularity: 9.56 Licence: CPOL Views: 206,370 Bookmarked: 125 Downloaded: 2,625 Please Sign up or sign in to vote. Build a cheap, under 30€, Weather Station Sensor Node with the help of an Arduino board, and use WiFi connection to control it with any Android device.
Arduino	Optimize Arduino Memory Usage 28 Jul 2015 Updated: 28 Jul 2015 Rating: 4.88/5 Votes: 15 Popularity: 5.73 Licence: CPOL Views: 49,939 Bookmarked: 14 Downloaded: 0 Please Sign up or sign in to vote. When working with embedded devices, RAM (random access memory) is one of the most valuable and limited resource of the system. The focus of this article is on the RAM usage optimization for Arduino MCUs, but the same principle applies to many other embedded devices.
Web Development
HTML	Building a Video Chat Web App with WebRTC 22 Jan 2016 Updated: 21 Dec 2016 Rating: 4.95/5 Votes: 38 Popularity: 7.71 Licence: CPOL Views: 268,869 Bookmarked: 57 Downloaded: 10,523 Please Sign up or sign in to vote. WebRTC (Web Real Time Communication) is a new web standard that allows peer-to-peer communication between browsers for high-quality RTC apps. In our tutorial, we show how to use it for building a video chat app.
	Java Back-End Web App Tutorial Part 1: Building a Minimal App in Seven Steps 19 Nov 2015 Updated: 20 Nov 2015 Rating: 5.00/5 Votes: 10 Popularity: 4.77 Licence: CPOL Views: 170,757 Bookmarked: 20 Downloaded: 1,666 Please Sign up or sign in to vote. Learn how to build a Java back-end web application with minimal effort, using Java Server Faces (JSF) as the user interface technology, the Java Persistence API (JPA) for object-to-storage mapping, and a MySQL database.

Average blogs rating: 4.81

Internet of Things
	WoT with Arduino for Beginners: Part 2 - Connecting to the Real World via Sensors [Technical Blog] 17 Apr 2016 Updated: 18 Apr 2016 Rating: 5.00/5 Votes: 12 Popularity: 5.40 Licence: CPOL Views: 28,216 Bookmarked: 19 Downloaded: 288 Please Sign up or sign in to vote. Learn how to develop Arduino-based apps for the Web of Things (WoT). This second part of a series of tutorials shows how to read analog and digital sensors with the help of Arduino.
	WoT with Arduino for Beginners: Part 1 - Mastering the RGB LED [Technical Blog] 7 Apr 2016 Updated: 22 Apr 2016 Rating: 4.80/5 Votes: 23 Popularity: 6.54 Licence: CPOL Views: 46,983 Bookmarked: 40 Downloaded: 296 Please Sign up or sign in to vote. Learn how to develop Arduino-based apps for the Web of Things (WoT). This first part of a series of tutorials shows the basics of an Arduino program (known as a "sketch") and provides a quick introduction to some electronic components, including resistors, RGB LEDs and LEDs in general.
Arduino	Arduino Software Reset [Technical Blog] 23 Jul 2015 Updated: 23 Jul 2015 Rating: 4.60/5 Votes: 9 Popularity: 4.39 Licence: CPOL Views: 103,398 Bookmarked: 13 Downloaded: 0 Please Sign up or sign in to vote. Three easy ways to programmatically reboot/reset an Arduino MCU.
	PRODINo: Home Automation with ESP8266 based WiFi Control [Technical Blog] 4 Dec 2016 Updated: 4 Dec 2016 Rating: 5.00/5 Votes: 7 Popularity: 4.23 Licence: CPOL Views: 20,621 Bookmarked: 15 Downloaded: 482 Please Sign up or sign in to vote. Home Automation is made simple for everyone, with the industrial grade PRODINo ESP8266 based module. It can be programmed with the Arduino IDE and allows to control (ON/OFF switch) mains (110-240 VAC) powered devices such as light bulbs, water pumps, cafe machines or garage doors.
	Identifying the Arduino Microcontroller Type [Technical Blog] 22 Jul 2015 Updated: 22 Jul 2015 Rating: 4.60/5 Votes: 5 Popularity: 3.22 Licence: CPOL Views: 9,040 Bookmarked: 6 Downloaded: 0 Please Sign up or sign in to vote. Learn how to identifying the Arduino microcontroller type by simply using C/C++ code.
Raspberry-Pi	JavaScript-Based IoT/WoT Development with the ESP8266 [Technical Blog] 14 Oct 2016 Updated: 20 Oct 2016 Rating: 4.48/5 Votes: 8 Popularity: 4.04 Licence: CPOL Views: 51,006 Bookmarked: 19 Downloaded: 340 Please Sign up or sign in to vote. As opposed to the less powerful Arduino, the competitively priced and WiFi-enabled ESP8266 supports the Web-of-Things (WoT) since it can be programmed in JavaScript.
Programming Languages
C	WoT with Arduino for Beginners: Part 3 - Connecting to the Internet via WiFi [Technical Blog] 3 May 2016 Updated: 3 May 2016 Rating: 5.00/5 Votes: 11 Popularity: 5.21 Licence: CPOL Views: 27,612 Bookmarked: 15 Downloaded: 358 Please Sign up or sign in to vote. In this multi-part tutorial we show how to develop Arduino-based apps for the Web of Things (WoT). This third part shows how to set up a connection between an Arduino and the Internet via a WiFi network and use HTTP(S) to send data to a free cloud service like ThingSpeak.
Web Development
HTML	Learn How to Make ES6 Promises with Executable Examples [Technical Blog] 17 Feb 2016 Updated: 31 Jan 2017 Rating: 5.00/5 Votes: 9 Popularity: 4.77 Licence: CPOL Views: 14,621 Bookmarked: 12 Downloaded: 95 Please Sign up or sign in to vote. While many new JavaScript features of ES6 (=ES2015) are still (in 2016!) not available in all important web browsers, the promising new feature of a JavaScript "promise" has arrived. This tutorial shows how to use it.

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Mircea Diaconescu

Technical Lead

Germany

Researcher, developer, WoT/IoT enthusiast
Co-founder of http://web-engineering.info.