Edoardo
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Edoardo
Hi everyone, I'm using ESP32 with MHZ19B co2 sensor. I've changed the BasicUsage sketch to use HardwareSerial 2. After wiring everything the result was: co2: 0 temperature: -17 ![error](https://user-images.githubusercontent.com/103110362/212536560-e1f1e2ea-b4d0-4e63-8509-5a416eb15438.png)