This article is copied from my memo which I wrote for myself to keep track of my casual stuff. This memom is publicly available on http://hobbylogs.me.pn/?p=17#more ...

This library makes getting a compass heading from an HMC5883L Magnetometer very simple, it includes adjustment for your local Magnetic Declination which can be entered directly in degrees minutes and ...

[execUc] took a stock V929 quadcopter and started making some crafty customizations. The main change – the control electronics were replaced by an Arduino Pro Mini (16Mhz model). He soldered all the ...