SIMPLE LINE FOLLOWER BOT
WHAT YOU NEED?
1) IR LED
2) IR SENSOR
3) NPN TRANSISTOR(BC 547)
4) 100 OHM RESISTOR
CIRCUIT
SO HERE WE CAN SEE THAT IR LED AND IR SENSOR IS USED FOR LIN SENSING.
IN WHICH IR RAYS WERE EMITTED FROM IR LED AND FALLS ON THE SURFACE AND IF IT IS WHITE...
