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Bernd Box

Analog Pins on the ESP32 DevKit (57mm Variant)

The following pins can be used to perform analog voltage measurements:

Pin Name Pin #
D32 32
D33 33
D34 34
D35 35
VN 36
VP 39

When powering the board with USB, connect the ground cable to the GND pin. This acts to unify the ground voltages on the board and of the analog signals.

⚠️ Warning: ensure that the maximum value of the analog signal is not greater than the supply current (3.3V).


The Google C++ code style is used. It is recommended to use clang-format to automatically format your code with the provided .clang-format file.

Temperature is 1-wire interface

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