Continuing with my investigation of walking robots I have completed making Tobbie, as illustrated in the video below. I am very impressed with the mechanical engineering and design of this product and I think it is a great robot. I am sure that there is much more that can be done with this than just playing with it's supplied functions.
The walking mechanism is fascinating. It uses alternating sets of three legs to move forwards or backwards. It uses three legs because it is always stable so while one set of three legs is on the ground Tobbie is stable, so that the other three can be moving forwards or backwards. I'm not entirely sure how it turns yet, maybe some vector type combination of the two sets of legs.
It seems perfectly feasible to replace the existing electronics in Tobbie's head with an Arduino Nano or similar. I might even have a go at this myself.
Dubbie
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