Backwards and forwards robot, made from tape player and junk
304 views · Published 9 January 2011 · 2:11 · Indexed 5 October 2026
Channel: JingleJoe · 2011 · Science & Technology
IT LIVES! I built this robot almost entirely from scratch using electronic junk I found, the only part I bought was the relay and the elastic bands. It has 3 wheels , the main drive wheel with a red elastic band tyre and two smaller wheels I got from the tape player itself. Those things are a goldmine of great parts! It's brain is a 555 timer monostable circuit which is activated by the arm on the front of the robot, when it crashes into something it goes backwards for about 3 seconds then continues forwards again. It's name is 5volt :)
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