If you are the original author, please access your User Control Panel and update it.
Update for https://www.robotshop.com/letsmakerobots/node/25837 Stops and reverses for a millisecond when it comes within 30 cm of an object for effective braking when it picks up speed. Looks left and right and chooses the direction with the most space. PWM to about 1/4 of the speed. Issues corrected. To drive the motors properly I ended up having to stack 4 sn754410 chips on top of one another to handle the current. Works great. Remaining issues. There is about a ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/arduino-avoider