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It is my first robot and it is mainly made up from scrap. 2 motors+motor driving IC+sensor logic board+4sensors side view sensor logic board for 4 sensors using LM324N+voltage regilator circuit using 7805 IC this sensor board was too unreliable that's why i fabricated the pcb below this is the logic board for controlling 8 sensors with led indication+2 sensor board I have modified the robot a lot after this but the pics r not currently available, soon I will upload them also.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/my-first-robot-the-line-tracer