SnapEDA launches on-demand PCB symbols service

SnapEDA launches on-demand PCB symbols service

SnapEDA launched a new on-demand PCB symbols service.


A very simple DIY solar-powered USB charger

A very simple DIY solar-powered USB charger

Raj @ embedded-lab.com tipped us with his latest project.


Circuit provides cold-junction compensation

Circuit provides cold-junction compensation

Mark Maddox @ edn.com has a design idea on cold-junction compensation using AD7708.


Analog front-end IC linearizes sensors

Analog front-end IC linearizes sensors

Susan Nordyk @ edn.com discuss about LTC2986 which is able to digitize and linearize a combination of temperature sensors in...


CO2, temperature and humidity monitor

CO2, temperature and humidity monitor

An open source CO2 monitoring project from Roving Dynamics: The project described below uses a MH-Z16 or MH-Z19 CO2 sensor and a...


30A, PCB-level supply monitor has integrated 300 microΩ sense resistor

30A, PCB-level supply monitor has integrated 300 microΩ sense resistor

Designed to simplify board-level energy measurements, the LTC2947 power and energy monitor for 0V to 15V DC supply rails...


7 Segment LED Based SPI Display using 74HC595

7 Segment LED Based SPI Display using 74HC595

Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number.


OPT3002 – Light/digital IC provides optical power measurements

OPT3002 – Light/digital IC provides optical power measurements

By Graham Prophet @ edn-europe.com: Distributor Mouser Electronics has Texas Instruments’ OPT3002 light-to-digital sensor; the d...


Using A Bench Power Supply To Charge Lithium Ion Batteries

Using A Bench Power Supply To Charge Lithium Ion Batteries

David Jones has another useful video tutorial about how to safely charge Lithium Ion and Lithium Polymer batteries with a bench...


Tools for the Electronics Hobbyist Part 1- Graphical Components Tester

Tools for the Electronics Hobbyist Part 1- Graphical Components Tester

When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and Taobao, I discovered that...


VHF Frequency Counter with PC Interface

VHF Frequency Counter with PC Interface

Scott has published a new build: This is the general idea behind how this frequency counter works.


Withings GO activity tracker teardown

Withings GO activity tracker teardown

nick @ novemberfive.co tears-down the Withings GO activity tracker.