/GY-MCU680-AQI-sensor

GY MCU680 AQI Sensor (UART) for ESP8266

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GY-MCU680 AQI Sensor for ESP8266

Sensor is connected via UART: GY MCU680 TX => D6, GY MCU680 RX => D5

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Takes about 10-20 mins for the MCU680 to calibrate and read actual AQI