MQ135 Air Quality & Hazardous Gas Detection Sensor Module control kit Clock frequency: up to 20

Clock frequency: up to 20 MHz

GPIO: The Pi Zero has the same 40 pins General Purpose Input/Output connections as the Model A+

clear color sensitivity

which will host processor load

you can change one of them to be set to 1

MQ135 Air Quality & Hazardous Gas Detection Sensor Module control kit Clock frequency: up to 20The MQ135 Air Quality Sensor Module a low cost semiconductor sensor that can detect the presence of Ammonia (NH3), Mono nitrogen oxides (NOx), Alcohol, Benzene, Smoke, Carbon dioxide (CO 2), etc. This module provides both digital and analog outputs. MQ135 Air Quality Sensor module can be easily interfaced with Microcontrollers, Arduino Boards, Raspberry Pi, etc. Suitable for home or industrial on LPG, natural gas, coal gas monitoring devices.