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Zenergy Chime Doorbell — image 1
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Zenergy Chime Doorbell

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Doorbell using a zenergy chime, a microcontroller, and a geared dc motor

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I had an old zenergy chime lying around the house, and thought to turn it into a doorbell.

The assembly uses a TT Geared Motor, and a 5mm bent metal rod, connected with some metal wire, to oscillate the arm and hit the chime multiple times.

BOM:

1 x zenergy chime

1 x TT geared motor (I used a 1:120 gear ratio)

1 x 5mm metal tube

1 x arduino or other microcontroller + motor driver

1 x 4mm metal rod for the pivot of the arm

 

Video's of bell in action

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