CO2-Ampel

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

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 (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:
- Microchip ATWINC1500B WiFi/WLAN Network Controller
- Microchip ATECC608 Cryptographic Co-Processor
Pro Version:
- Air Pressure Sensor
- Microchip ATWINC1500B WiFi/WLAN Network Controller (optional)
- Microchip ATECC608 Cryptographic Co-Processor (optional)
- HopeRF RFM95W/RFM96W LoRa Transceiver (optional)