Thingiverse
Wind Turbine Mesh Node
di CPomeroy
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This is designed to be a wind-powered node for Meshcore/Meshtastic networks.
Disclaimer: This design is still undergoing testing, and so far it has failed to charge itself reliably. The wind conditions where I am testing it are really terrible though (low average windspeed, sheltered area, turbine situated below roof/tree height in turbulence), so in proper conditions it should perform as designed. If anyone builds it and gets it running, do please tell me how it performs!
See overview video here for circuit diagrams:
https://www.youtube.com/watch?v=iL6E8QJHeZw
The circuitry has changed a bit since I made the video, the components list is now as follows:
Capacitors: 100V 470uF 5pcs
Zener (TVS) Diode: 1.5KE91A 1pcs
Rectification Diodes: SR5100 5A 100V 12pcs
It uses this motor as a generator:
https://www.aliexpress.com/item/1005006317036687.html
This voltage regulator, to regulate to 5V:
https://www.aliexpress.com/item/1005005976497776.html
a 2x18650 parallel holder, such as this:
Disclaimer: This design is still undergoing testing, and so far it has failed to charge itself reliably. The wind conditions where I am testing it are really terrible though (low average windspeed, sheltered area, turbine situated below roof/tree height in turbulence), so in proper conditions it should perform as designed. If anyone builds it and gets it running, do please tell me how it performs!
See overview video here for circuit diagrams:
https://www.youtube.com/watch?v=iL6E8QJHeZw
The circuitry has changed a bit since I made the video, the components list is now as follows:
Capacitors: 100V 470uF 5pcs
Zener (TVS) Diode: 1.5KE91A 1pcs
Rectification Diodes: SR5100 5A 100V 12pcs
It uses this motor as a generator:
https://www.aliexpress.com/item/1005006317036687.html
This voltage regulator, to regulate to 5V:
https://www.aliexpress.com/item/1005005976497776.html
a 2x18650 parallel holder, such as this:
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