![](https://laboratoiredesynthese.eu/wp-content/uploads/2020/02/Double-Spin-Pendulum.jpg)
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
![](https://laboratoiredesynthese.eu/wp-content/uploads/2020/02/Pendulum-double-spin-circuit.jpg)
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