Analog input on ESP8266 a very poor, but you can try.
There is a module for the MQ135 Air Quality Sensor , might be a good starting point.
@MaBe started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Analog input on ESP8266 a very poor, but you can try.
There is a module for the MQ135 Air Quality Sensor , might be a good starting point.