CJMCU-6814 readings into ppm

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MiCS-6814 / CJMCU-6814 gas sensor reading conversion

Hello, I'm using this gas sensor to measure CO, NO2, and NH3 for my university project. I used these as reference to program the sensor: And this is my results: [image] The reading I received was in volts, so I'm wondering how to convert the reading to ppm or ug/m3? (the datasheet does not specify the conversion) Datasheet: https://www.sgxsensortech.com/content/uploads/2015/02/1143_Datasheet-MiCS-6814-rev-8.pdf Code: #include <dht.h> dht DHT; #define DHT11_PIN 7 const float max_volts…

CJMCU-6814 adapter board with MICS-6814 CO/NH3/NO2-sensor

Hi folks! I'm working with air quality monitor and using this quite easily available module/adapter: https://www.aliexpress.com/item/CJMCU-MICS-6814-Air-Quality-CO-VOC-NH3-Nitrogen-Oxygen-Gas-Sensor/32762216430.html It's main and only sensor component is MICS-6814: https://www.mouser.fi/datasheet/2/18/1143_Datasheet-MiCS-6814-rev-8-1144828.pdf Using clone Mega2560 and reading values through serial monitor. Using old ATX-PSU as a power supply, stripped one IDE-power connector to get +12V, +5V …