There’s hardly a day that passes without an Arduino ... line follower. You’ve probably seen “bang-bang” line followers that just use a photocell to turn the robot one way or the other.

Some readers may recall building a line-following robot during their school days ... steering motor salvaged from a power wheelchair. An Arduino Mega Pro Mini handles the logic, sending PWM ...

The Arduino is a ... you should be ready to connect one of your robot’s servos. From personal experience, this part can seem daunting. Assembling the parts and following instructions is easy ...