Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagi… ...

10 thoughts on “ A Mini Op-Amp Based Line Following Robot ” George Graves says: March 28, 2014 at 4:11 am You sir ... Very cool to see this design! Report comment. Reply. wetomelo says: ...

The dual-channel motor controller is a simple H-Bridge driver chip L293D. Brain of the line follower robot is one Atmega8 microcontroller. LFR-Mechanical Assembly. First of all attach motors, clamps ...