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Hector was my school project- we each had to make and program something using the inputs and outputs of the MC68HC11 microcomputer at DeVry. I already had the gearmotors and wheels connect to the base before I took the class. The motors were operated by 4 relays in a H-bridge configuration. I built that for my very first attempt at building robot, "Rodney" from David Heisermann's TAB book, "How to Build Your Own Self-Programming Robot". Unfortunately, it was ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/h-e-c-to-r-home-experimental-computerized-toy-robot