Hello all,I'm working on the auto/manual switching system for my UAV right now, and I was wondering how all of you handle inputting the signal from the receiver. At least for me, the switch on my transmitter that I'm using to switch between auto and manual mode varies the PWM signal on my receiver between 1000 and 1600 microseconds. Right now, I'm using the main Arduino board to input the PWM signal and send the appropriate high or low signal to the MUX. However, I think one of the main points of having manual control is that in case of autopilot failure, you can still take over.Hope I put that clearly. So, what I'm looking for is some kind of PWM-interpreting chip that could change a 1000 microsecond signal into a logical 0 and 1600 into a logical 1. Is this too specific for a dedicated IC? Should I just get another (simpler) microprocessor to do this? Or is there a simple circuit I could build myself to do this?Thanks in advance!
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