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PRO Solar Power Module P1

Solar Power Module P1

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License

GPL 3.0

License: GPL 3.0

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Update time: 2024-08-20 14:32:56
Creation time: 2024-08-20 00:02:43
Description

Description

Ultra simplified and economic solar power module, with minimal components.

 

  • Charge x3 AA NiMH rechargeable baterries using small solar panel power.
  • Tested with smalls 72x72mm, 130 mA, 5.5v solar panel.
  • Output voltage range from 3.3v to 4.3v
  • P1 module, original output format is USBC power but case allow any cable.
  • This ultra simplified charger, require undervoltage protection at the controler side, usind ADC or other. 
  • This ultra simplified charger, don't control overcharge and asume client device will consume the overcharge. This works due to the low 130 mA charge current.
  • Free GPLv3 3D printable case here

 

Here can see an example of wifi water level sensor that use this power module

Design Drawing

Design Drawing

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Project Attachments

Project Attachments

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solar3.png

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2

solar2.png

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