5V – Electro Bob

5UP – simple 5V UPS

By electrobob April 15, 2015 February 8, 2017 Projects, Utils

A simple on-line 5V UPS for raspberry pi and others, using off the shelf modules. Continue reading

WS2812 level translator

By electrobob March 15, 2014 February 8, 2017 Ideas and Articles, Utils

Simple way to guarantee correct driving of WS2812 from a 3.3V micro, without any special parts, just another WS2812 LED. Continue reading