When my quadcopter is staying on a level surface I noticed that sometimes yaw angle is drifting, say about -0.1 degrees per second. I have a HMC 5843 magnetometer attached to oilpan by a 3.3V to 5V I2C translator (my HMC 5843 board does not ha
I have just received my MTK GPS to add GPS capabilities to my quadcopter. I connected MTK board to APM GPS board and uploaded the GPS_MTK_test program. Serial monitor read all the values zero..
GPS MTK library test GPS: Lat:0 Lon:0 Alt:0.00 GSP: