Good cheap "secondary" flight controller to function just as a sensor pack

[ppoirier]

Just build your own , I’m curious to see how you can tune DMA and make the semaphores getting real time under an additional layer of abstraction

Building an autopilot from scratch using a RaspBerryPi Zero : Mini Zee

I finally received my Raspberry Pi Zero, just in time to get into the DIY challenge of building a smart drone with the Pi Zero and APM under 100$. I called this project: MINI-Zee [image] How this can be done? Well first of all, thanks to Victor and the team at Erle Robotics for releasing the plans and software of their PXFmini. This is a real inspiration for building my own board, because all the parts are available at a cheap price and are relatively easy to assemble and interconnect usin…