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Build a simple device that warns if CO₂ concentration in a room becomes a risk for COVID-19 aerosol infections.
CO2-Ampel / CO2-Traffic-Light to measure and show the carbon dioxide concentration in a room, based on Sensirion SCD30/SCD4x sensor and Microchip SAMD21 microcontroller
The CO2-Ampel detects the CO2 level in the surrounding air.
Measures the CO2 level in the room and gives a warning when to ventilate. All values are also distributed via MQTT.
Eine CO2 Ampel auf Basis von ESP/MHZ-19b/BME680
Simple CO₂ LED Meter