Improved hot tub controller run by a Raspberry Pi

Ted Hale has improved upon his Hot Tub Controller. The latest iteration is mounted directly next to the tub and does the following:

  • Monitor the water temperature
  • Turn a circulation pump and heater on to heat the water as needed
  • Respond to buttons that increase/decrease the desired temperature
  • Respond to buttons that turn the water jets on and off
  • Display the current temperature
  • Detect various failure modes and place system in safe modeListen for commands from a smart phone app to control hot tubUpload data periodically to an Internet of Things service

You can read more about the controller here.

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