I am using mq7 sensor for my project.For this sensor according to the datasheet I need to continuously switch between 5 and 1.5 V input voltage to mq7 sensor. Since I am a beginner, wanted to know how can I implement this, I am using esp32 microcontroller.
https://learn.sparkfun.com/tutorials/hazardous-gas-monitor
credit to @jremington who handled a similar question and supplied the above link in that thread here:
https://forum.arduino.cc/t/taking-co-readings-with-mq7-gas-sensor/897919/2
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Thank you
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