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Double spin pendulum

This pendulum makes a rare double spin movement

Last month I made a Pendulum with the following features:

  • 25 centimeter high suspension point.
  • Very low friction suspension point with magnet
  • Needle with weight touches glasplate
  • Magnet is hanging in horizontal direction
  • Ultra low power consumption, 20uA.
  • Pulse coil is also magnet sensor.
  • Solar panel and SuperCap energy supply
  • Simple construction and electronics
Electronic circuit and construction details
This video shows more details of the construction and operation

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