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- Tue Apr 05, 2022 4:08 pm
- Forum: Hardware
- Topic: mq2 gas sensor
- Replies: 3
- Views: 4607
mq2 gas sensor
Hello all, I am using an example sketch (adc1_example_main.c) from idf framework. I am using `ADC_CHANNEL_0` (not channel 6 like in sketch) which I presume corresponds to the "VP" pin on the esp32 wroom. I am trying to read the analog output from the mq2 sensor but nothing changes in terms of readin...