Seeeduino XIAO - A Tiny Arduino Zero Variation

Submitted by mdiaconescu on Mon, 08/17/2020 - 12:02

Seeeduino XIAO is a tiny Arduino compatible board based on Microchip's ARM Cortex-M0+ MCU. Measuring just 2x1.7x0.35 cm, it is low power, comes with 11 GPIO pins and a big features pack, thus making it almost perfect for many IoT/WoT projects.

PRODINo: Home Automation with ESP8266 based WiFi Control

Submitted by mdiaconescu on Sun, 11/27/2016 - 15:30

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.

JavaScript-Based IoT/WoT Development with the ESP8266 and the Raspberry Pi

Submitted by mdiaconescu on Wed, 09/21/2016 - 11:52

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.

WoT with Arduino for Beginners: Part 3 - Connecting to the Internet via WiFi

Submitted by mdiaconescu on Wed, 04/20/2016 - 16:46

Learn how to develop Arduino-based apps for the Web of Things (WoT). The third part of this series shows how to set up a connection between an Arduino and the Internet via a WiFi network and how to store sensor data using a free cloud service, such as ThingSpeak.

WoT with Arduino for Beginners: Part 2 - Connecting to the Real World via Sensors

Submitted by mdiaconescu on Fri, 04/08/2016 - 11:41

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

Submitted by mdiaconescu on Mon, 04/04/2016 - 15:07

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.

Learn JavaScript/ES6 Promises by Examples

Submitted by mdiaconescu on Mon, 02/15/2016 - 15:34

Improve your asynchronous JavaScript code by using the JavaScript feature of "promises". Learn how to use "promises" with the help of example code for real-world use cases.

Building a Video/Audio Chat Web App with WebRTC

Submitted by mdiaconescu on Wed, 01/20/2016 - 14:48

WebRTC is an edge technology, enabling modern web browsers to remotely transfer files, video/audio streams, and share your screen using peer-to-peer connections. In this tutorial, we show how to build a simple video/audio chat web app with WebRTC and WebSockets.

Optimize Arduino Memory Usage

Submitted by mdiaconescu on Mon, 07/27/2015 - 10:45

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.

Arduino software reset

Submitted by mdiaconescu on Thu, 07/23/2015 - 23:54

Three easy ways to programmatically reboot/reset an Arduino MCU.

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