There is a 16mm wide black runway in the white field. This tracking car can drive along the black runway automatically. No matter how the runway is bent, the car can be driven automatically. We all know that the reflectivity is different when the light source to the white objects and black objects. Here...

Download the material from drive.google.com/open?id=1kLlV2NlXQeXo56ItreQ1JlUParTRc-16 1>.Install circuit 1.1 Install metal film resistor,DIP-8P IC socket,Self-Locking switch,Potentiometer,S8550, Capacitor, Red LED on PCB according to mark on PCB 1.2 Install Mecanum wheel The support bolts of the caster are inserted into the hole, tighten the nuts screwed into the caster, and finally fit the caster and tighten....