CO2-Ampel

The CO2-Ampel is a traffic light to show the carbon dioxide concentration in a room for ventilation.

CO2-Ampel CO2-Ampel

Features

  • Microchip ATSAMD21 ARM Cortex-M0+ Microcontroller
  • Sensirion SCD30 Sensor (CO2, humidity, temperature) with NDIR sensor technology
    • 400 to 10000ppm CO2 concentration (specified range)
    • 0 to 100% relative humidity
    • -40 to +70°C temperature
  • Sensirion SCD41 Sensor (CO2, humidity, temperature) with photoacoustic sensing principle
    • 400 to 5000 ppm CO2 concentration (specified range)
    • 0 to 100% relative humidity
    • -10 to +60°C temperature
  • Intelligent WS2812 RGB-LEDs (full-color)
  • Acoustic Buzzer
  • Light Sensor
  • Qwiic compatible I2C connector (3.3V)
  • USB CDC+MSC Bootloader (Arduino compatible)
  • USB-C connector for power and data/programming
    • <0.5W at 70% brightness and without WiFi/LoRa
    • <0.15W at 10% brightness and without WiFi/LoRa
  • Plus Version:
  • Pro Version:

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