Line Follower Robotic With Quad Op-Amp LM324

Simple Circuit Diagram of Line Follower Robot (LFR) non microcontroller With Quad Op-Amp LM324

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The LM324 Quad Op-Amp Line Follower Robot Width Modulation

The LM324 Quad Op-Amp Line Follower Robot Circuit diagram

Schematic LM324 Low Power Quad Op-Amp Line Follower Robot

Line Tracking Navigation Principle on The Line Follower Robot

The LM324 Quad Operational Amplifier Line Follower Robot Construction Materials

                  LFR Video

                  Source: "http://www.ermicro.com/blog/?p=1908"

Robotic Circuit diagram C2051 and L293D

Robotic Circuit diagram of a simple and easily understood at a low cost so that you can practice right at home.

This Robot uses C2051 and L293D as motor speed control and direction as in the picture below

Source: http://www.kmitl.ac.th/~kswichit%20/LFrobot/LFrobot.htm