Sparky is a robot dog made
from found objects. The tail and head will move if a shadow is
cast upon its chest-mounted sensor.
Sparky's brain is a Picaxe 08M2 microprocessor.
Sparky is operational and still under construction for Robogames 2012
Hand-wired 08M2 Picaxe controller board.
Picaxe controller board in-place.
Sparky's legs and programming port belly button.
Head servo mounted inside.