Standalone Temperature and Humidity Control

Continuing from Standalone Arduino and Thermometer and Humidity Control, created a standalone thermometer and humidity control. Added the following features:

  1. Added a push-button to allow controlling the setpoint temperature
  2. Used the EEPROM library to save the setpoint temperature
  3. Enclosed everything in an extension cord with a power supply
  4. Left a socket to update programming as required

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