Postagem original de: Kevin

Texto:

This is what is known as an H-Bridge driver circuit problem. It is an issue on the main circuit board. It can be fixed but only by somebody with advanced circuit repair knowledge.  Replacement of the main circuit board is what I do to fix them. While relatively complex, it isn’t outside the realm of a reasonably competent DIYer. Of you can send your bot to a robot repair  company. Boards are available on EBay.

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