The CO2-Ampel is a traffic light to show the carbon dioxide concentration in a room.
- Microchip ATSAMD21 ARM Cortex-M0+ Microcontroller
- Sensirion SCD30 or SCD40/SCD41 CO2 Sensor
- Intelligent WS2812 RGB-LEDs
- Acoustic Buzzer
- Plus Version:
- Microchip ATWINC1500B WiFi/WLAN Network Controller
- Pro Version:
- Air Pressure Sensor
- Microchip ATWINC1500B WiFi/WLAN Network Controller (optional)
- HopeRF RFM95W/RFM96W LoRa Transceiver (optional)
- USB-C connector for power and data/programming
- USB CDC+MSC Bootloader (Arduino compatible)
- Open-Source and released under the Creative Commons Attribution Share-Alike License.
- Documentation on learn.watterott.com