"I'm in the midst of designing a PCB for a quadcopter and wondering if I should include a pressure sensor on it, I don't really understand why airspeed is such a big deal. Why do you need it? Would there be any reason GPS course and speed over ground…"
I'm starting to design a tricopter and I want FPV video and control to use one RF link (probably 900MHz). I'll use a dsPic on both ends to run the codecs. I need a radio though that can do at least 500-1000bits/s over at least a few km. Does anyone…
I've read through a few discussions on this forum about poor man's DGPS and getting relative accuracy down to the ~1m range. It seems no one's having much luck even with identical GPS units. I'm wondering if anyone has manged this and what are…