Espruino is the world's first JavaScript microcontroller. With it you are able to develop intelligent devices quickly and easily. Espruino is a small computer that anyone can use to control things around them. Its JavaScript interpreter gives you instant feedback so that you can...

Chris @ insentricity.com wanted to test a few dozen individual RAM chips so he decided to use Arduino to make his life a little bit easier. In the article he explains the interface with Arduino and gives the code on github. My first thought was to test the chips in the TL866CS, but...

Quick demonstration of a piezoelectric motor from www.pcbmotor.com Piezoelectric motor demo -...

Thijs Beckers @ elektormagazine.com has some great news about the Li-Fi technology: The French company Oledcomm displayed its technology at the Mobile World Congress in Barcelona (22-25 Feb 2016), where a smart phone is connected to the Internet using only an LED lamp, which reaches...

Ray Wang has published a new project called OpenGarage, an open-source garage door opener based on ESP8266 and the Blynk app: Today I am very excited to introduce you to OpenGarage — an open-source, universal garage door opener built using the ESP8266 WiFi chip and the Blynk app....

Erich Styger show us how to connect nRF24L01+ transceiver module with tinyK20 Board and how to use the command line to communicate with it. He  writes: I’m using the tiny and inexpensive Nordic Semiconductor nRF24L01+ transceiver (see “Tutorial: Nordic Semiconductor nRF24L01+...

This project provides a variable output power supply ranging from 1.2 to 37 V @ 1.5 A. Uses industry populer LM317 in TO3 package for delivering variable output voltage. Specifications  Input 40 VDC or 28V AC 2Amps Output : 1.2 to 37 V @ 1.5 A regulated low ripple DC...

by Clemens Valens @ elektormagazine.com The new SDR board was created by Burkhard Kainka, the designer who also did the first SDR project. The antenna preselector of the original board has been removed while the CY27EE16 programmable oscillator was replaced by the Si5351 from...