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    Raspberry Pi Conversion of ADS1115 output to PPM

    Hi! How do you convert an ADC reading from an MQ3 sensor using ADS1115 to ppm? I am trying to measure the amount of alcohol. This is the link to the datasheet of the MQ3 sensor https://www.sparkfun.com/datasheets/Sensors/MQ-3.pdf . I am getting ADC values which ranges from 3000-4500 when not...