NEED HELP FOR MY PROJECT.
Im using mq3 sensor as my main sensor in the project.
Before this at natural air condition ( without alcohol) the raw reading for sensor is around 900-1100
But after a while my sensor is detecting 2000++ at natural air condition
Im using MQ3 sensor and ESP32 (Doit Esp32 dev)
Most likely you have a calibration issue - that is, if the sensor is working at all. MAke a imeseries of ~ 1h and post the graph.
What is "after a while", 1 hour, 12 hours, 1 day, 1 week?
Did you "burn in" the sensor before making measurements, for 24 to 72 hours as required? See the sensor data sheet.
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