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Light following bristle bot

Light following bristle bot

Facelesstech made a light following bristle bot and wrote a post on his blog detailing its assembly:

Lets have a look at the hardware side of the build. Here is a bread board layout below. As you can see its just 2 bristle bots where the pager motor is controlled by a 2N7000 transistor which its speed is determined by the LDR (Light Dependent Resistors) and adjusted with a resistor trim pot. I also added a led to each one to show which pager motor is being activated, This makes it easier to see whats going on too.



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Hardware list

  • 2N7000 transistor
  • LDR (Light Dependent Resistors
  • Pager motor
  • Resistor trim pot (10k omh)
  • Switch
  • Lipo Battery (3.7v 250mAh)
  • Battery connector JST-DS female
  • LED
  • Resistor (220 ohm)
  • Toothbrush

 

More info at Facelesstech’s blog.  Project files available on github.

Check out the video below:

 




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