Dave @ daveshacks.blogspot.co.uk takes a look inside the first ARM microprocessor and explains it's design. With that in mind I embarked on my own attempt to reverse-engineer parts of the armv1. Some background knowledge of the processor's architecture is helpful, and googling for...

Juan Ignacio has designed a INA219 current sensor DIY Breakout board: Another small board, this time for a INA219. The INA219 is a high-side current shunt and power monitor with an I2C interface. For testing I used Rei VILO library with a MSP430G2553 and Energia, and I measured the...

Happy New Year 2016 to all of you. May the new year bring you happiness and...

Sjaak has published a new PCB build, uC controlled dummy load: With no snow outside I finally got around to solder the 3rd PCB. It is the second revision of a microcontroller dummy load. It is loosely based on the arachnidlabs uc:load. It uses the same base ciruit and adds a...

Jesus Echavarria @ jechavarria.com has tipped us with his latest project. In this project he adds a USB power port to a switch. Also I need a power supply for the Arduino board, and I think that, better than a external USB AC wall adaptor or power supply, is modify the switch to add...

lachlanA @ github.com has published a Eagle SCH/LIB to KiCad SCH/LIB ULP conversion script: The following 5 ulp (eagle user script file) and one ulp include file, work together or stand alone to convert Eagle sch/pcb version 6.xx(7.xx maybe?) file(s) and any version of Eagle...

陳亮 @ instructables.com shows us his ATtiny85 OLED display build on a breadboard: This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery. The instruction to make the watch case may be in next...

Sankar Cheppali will show us how to setup a python based web server to serve simple html pages to the clients using Raspberry Pi. Serving web pages from embedded devices is not easy task as embedded devices have limitations in processing power , memory available etc. But with...