Tag: DHT-22
![CO2, temperature and humidity monitor CO2, temperature and humidity monitor](https://www.electronics-lab.com/wp-content/uploads/2016/09/pic-Front-panel3-600.jpg)
Sensor
CO2, temperature and humidity monitor
An open source CO2 monitoring project from Roving Dynamics: The project described below uses a MH-Z16 or MH-Z19 CO2 sensor and a DHT-22 (or DHT-11 if less accuracy is required) to measure the Temperature and Humidity. It has a 4 line by 20 character LCD Display to show the current...
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