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Suddenly, I got the idea to make a line follower robot without using a microcontroller. After that, I started researching this topic but can’t find any proper guidance. So I started simulating and building logic for each functionality, such as forwarding direction, reverse direction, left turn, right turn, and stop.

Supplies
- IR receiver x2
- IR transmitter x2
- Resistors(220ohm,1K) x2
- Capacitor(0.1uF,10uF,100uF)
- LM7805
- LM358
- Potentiometer
- Hex inverter (74HC04)
- Quad nand I.C (74HC00)
- Motor Driver (L293D)
- Batteries(Li-ion/9v)”

Link to article