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This is a simple line follower robot that is designed for the purpose of applying pwm control with opamps without using any microprocessor. 5 CNY70 reflective optical sensors and 4 NE555 opamps are used. To drive the motors I've used two mosfets (IRFZ44). If you want to see my other robot projects you can visit my web site. www.robotiksistem.com
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/line-follower-robot-without-microcontroller