Let's Make Robots!

Blue Bug

Seeks light, runs away when it bumps into something.

This is Blue Bug, not my first robot but the first one I am posting here... The body was made using a couple of old DVD's.

I used the herbie circuit from the book Junkbots, Bugbots and bots on wheels but made a PCB instead of free forming it. For motors I converted two servos that I already had to work as simple gear motors.

I mounted the phototransistors to make it look a bit more bug like, this has the added benefit of making them easy to adjust...

The tactile sensors in front are made from a guitar string.

Blue Bug

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Looks like it works great! Love the guitar strings

Well done and clean build. I like the way he's roaming around looking for light :-)

I appreciate the kind words...