Light follower robot is a mobile robot which detects the light (such as the light of a flashlight) and follows the light on the travelling path.

The robot has two light detection sensors which are prepared with LDRs (light dependent resistors). The sensitivity of the sensors can be set by using the trimpots on each sensor circuit.

The robot has two modified mini servo motors to navigate equipped with two wheels, and a caster ball wheel.

The robot was powered by a 9 V alkaline battery.