1 vote

My obstacle avoiding car doesn't work with dry cells

It could be that you are not delivering enough Power (Watts) to the motors when using a battery. This could mean not enough Voltage and/or not enough Current. It is a common difficulty for a battery's ...
Mike973's user avatar
  • 928
1 vote

What’s this gearbox called?

I don't know what this is called, but my suspicion is that this mechanism makes use of something very similar to a differential gear. When the drive shaft is rotating in one direction, the pinion gear ...
Mark Booth's user avatar
  • 4,253

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