I have problem where the MQCalibration is not working in the board of NodeMCU ESP8266 , while the coding works in the Arduino uno board(WIthout the IoT Blynk app part) I intended to do this project where if gas leaked, it will notify the user through the Blynk app phone Where the error state as be…

Declaration of function cannot work in different board

system May 22, 2018, 5:28pm 7

So, what error messages do you get with that code?

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