Hey.
I have smoke project. That idea behind it is to use Esp32 wrover cam with mq2 sensor to take photo when the sensor is detecting gas. I have problem to connect the Esp32 cam and mq2 sensor together I can not find pin which is going to work.
Can you please help me with it. Which pin should i use to connect my mq2 sensor to Esp32 wrover cam.
Thank you
The MQ2 sensor has 2 outputs, one digital and one analog.
To use it with the ESP32 you need a voltage equalizer which can be a resistive divider, as the sensor outputs are from 0 to 5V and the ESP32 is from 0 to 3.3V.
If you are going to use the digital or analog output, check the pinout below which pin is not used for boot or by the CAM.
I moved your topic to a more appropriate forum category @starm1x.
The Nano ESP32 category you chose is only used for discussions directly related to the Arduino Nano ESP32 board.
In the future, please take the time to pick the forum category that best suits the subject of your question. There is an "About the _____ category" topic at the top of each category that explains its purpose.
Thanks in advance for your cooperation.
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