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Lazy smoke away
Smoke from soldering is not healthy to breathe. I built this easy fix a while ago. Continue reading
Tag: converter
Analog Discovery USB isolation
Intro Back when I was deverloping the PSU burner, I wanted to have the Analog Discovery isolated from the common ground, to avoid noise and other issues. Since I did not have a way to do this, I ended up using a laptop on battery for measurements. But for long term, I needed to have this isolation. Unfortunately, things that can isolate USB at 480Mbps or faster are too expensive to justify. The solution The… Continue reading
Cheap China
My experiences and recommendations for cheap electronic modules from China. Continue reading
5UP – simple 5V UPS
A simple on-line 5V UPS for raspberry pi and others, using off the shelf modules. Continue reading
WS2812 level translator
Simple way to guarantee correct driving of WS2812 from a 3.3V micro, without any special parts, just another WS2812 LED. Continue reading