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Display SCD4x CO2 readings on an AdaFruit MagTag

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Thynix/magtag-co2

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magtag-co2

CO2 readings on an AdaFruit MagTag.

Buttons

  • Button A: switch between CO2, temperature, and humidity
  • Button B: decrease light brightness
  • Button C: increase light brightness
  • Button D: toggle rapid display refresh (every measurement as opposed to 60 seconds)

Future Feature Ideas

  • Audible alarms
  • Actions could require pressing multiple buttons at once
  • Sensor cover: bolt on sides, snap-on top
  • Split main into modules: CO2, display, buttons, alarm, lights
  • Use setAmbientPressure() instead of setSensorAltitude() if pressure sensor present.
  • Accept message to display in fatal_error_blink()

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Display SCD4x CO2 readings on an AdaFruit MagTag

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