On 2/10/2011 10:41 PM, Nathan House wrote: > Sometime over the next six months or so (planning ahead) I'm going to > try to write a Kalman filter for a PIC. I first want to use it to > integrate signals from one gyroscope and one accelerometer to > detect/predict tilt for a balancing robot, and then eventually I want > to make something called a quadrotor helicopter. > Have you discovered http://diydrones.com/ yet? Perhaps you can pick up=20 some pointers there and get some help on these sort of questions from=20 some guys that have "been there - done that"! Vic Vic Fraenckel KC2GUI --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .