Robotic birds 2000-2003 Robotic birds The Robotic birds are small electric motors fitted with two lights. They hang from the ceiling and are controlled by a BBC Microcomputer. The program selects randomly two of the birds, which have a few chirping exchanges. Another routine will select a single bird and make it sing a more complex solo song. Robotic bird solo The sounds are synthesised in real time by the sound chip on the BBC Micro, and played through a speaker located at the vertical of the bird. Most of the robotic birds live in Automated forests.