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arduino How to use an MHZ14a CO2 sensor? Stack Overflow

20210310· I have to use an MHZ14a sensor, I''ve tried a lot of solutions but none of them work. I ended up with wiring the PWM to the digital 2 of my Arduino Mega2560, the V+ on 5V or (non of them give something working) and V to GND, and I tried this code: // set interrupt pin numbers to recive outhput signal: const int sensorPin = 2; // Pin 2 as the sensor pin long laag = 0; long hoog = 0; long ...


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MHZ14A Library Arduino Reference

MHZ14A Library. Sensors. A Library for using the MHZ14A CO2Sensor with Arduino. Offers all methods mentioned in datasheet and debuglog. Author: JanNiklas Bogatka. Maintainer: JanNiklas Bogatka. Read the documentation. Compatibility. This library is compatible with all architectures so you should be able to use it on all the Arduino boards ...


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MHZ14A CO2 Meter Tutorial with Arduino, ESP8266 or ESP32

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