Robot Whisker
$3.50
This handy little board mounts nicely on the front of many bots. It has two 10k pullup resistors that hold the signal pin high until a bump pushed the whisker to a ground pin.
This handy little board mounts nicely on the front of many bots. It has two 10k pullup resistors that hold the signal pin high until a bump pushed the whisker to a ground pin.