TSalwach @ github.com build a 3-phase home power meter system. A STM32F072RB MCU on Nucleo evaluation board make measurements and Raspberry Pi 1 collects data and share via web interface. I want to have real time power measurement of my home in my smartphone. I've got one some long...

555 DC Motor Speed Controller project will control the speed of a DC motor connected to it. This project is built using the popular 555 timer IC. Specifications Power supply input 5-12V DC Motor Load Up to 1 to 2Amps Onboard preset to vary Duty Cycle from 10% to 95% @ 120...

Jimb0 @ sparkfun.com takes a first look on the new ESP32 WiFi board by Espressif that's an improvement of the ESP8266 board. The ESP32 doesn’t replace the ESP8266, but it does improve on it in every aspect. Not only does it have WiFi support, but it also features a Bluetooth 4.2...

A new board that aims to fill an education gap for programmable boards is on kickstarter. SCIO enables anyone, without the need of previous experience, to experiment with electronics and coding and build various projects based on onboard sensors, work on the cloud, make light shows and...

A team of scientists at Oxford Eye Hospital aim to create a bionic eye, that will make people who lost their sight to see again. A special chip is placed behind the retina and a small processor sends signal to the optic nerve and brain process it thus enabling the person in treatment...

Charles Q. Choi @ spectrum.ieee.org discuss about a new type of li-ion battery able to work in low temperatures. A new “all-climate” lithium-ion battery can rapidly heat itself to overcome freezing temperatures with little sacrifice in energy storage capacity and power,...

The circuit is a simple digital frequency meter that is made of a frequency-to-voltage converter and an analog-to-digital display converter that can be operatedfrom a single 9-volt battery. The TC7126 ADC generates the voltage required by the TC9400 FVC with internal regulators. The...

  Microchip Technology to Buy Atmel for Nearly $3.6 Billion @ The New York Times. Microchip Technology agreed to acquire a fellow chipmaker, the Atmel Corporation, for about $3.6 billion, part of a wave of mergers and acquisitions within the semiconductor industry. Chip makers...