Home-madeLINE FOLLWER ROBOT

By: Pranjal Joshi

Circuit Diagram:

Components you will need:1. LM358 op-amp chip x 12. 220 ohm resistor x 43. 1k resistor x 24. white LED x 25. Photo-diode x 26. Red LED x 27. Geared motors x 28. BC547B transistor x 29. 5k variable resistor x 210. 100k potentiometer x 211. 9V battery x 1

Left sensor

Right

sensor

LM358(IC)

Output to left motor

Output to right motor

Logic of working:

Making aprinted circuit board

Drilling with home made drill

Making a body…

Creating the track

Testing…..

Thanks………..