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the 2 IR distance sensors is a GP2Y0A21YK0F, which simply gives an analog voltage back. with this i have some problems, because i get high peaks sometimes. do you know what could be done against that except shorten the cable (which is ~15cm unshielded)?
I currently use a ATMega 16, but I'm afraid i could run out of program memory when i continue extending the robot. Which Atmel µC would you recommend? is 64 enough for most applications? or should i take a 128?
They use 3.3V levels, so i need a levelshifter. could you tell me where to find a levelshifter (for SPI)?
I currently use a ATMega 16, but I'm afraid i could run out of program memory when i continue extending the robot.
Or do you mean Code Optimization for the compiler?
I always deactivated it (its -O0 if i remember correctly)
because a teacher recommended not to use it in AVR Studio 4..