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DIY Solar Heater
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DIY Solar Heater

This is a DIY solar heater, made from recycled aluminium cans, a bit of wood working, and some arduino coding.

It will also log data to an MQTT server on the network.


  • NodeMCU
  • TMP36 temperature sensor (x3)
  • Relay
  • Solar panel
  • Solar charge controller
  • Multiple 18650 cells (or a lipo)
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