SunFounder ESP32 Starter Kit
Schematic
To ensure proper functionality, connect one side of the button pin to 3.3V and the other side to IO14. When the button
is pressed, IO14 will be set to high, causing the LED to light up. When the button is released, IO14 will return to its
suspended state, which may be either high or low. To ensure a stable low level when the button is not pressed, IO14
should be connected to GND through a 10K pull-down resistor.
Wiring
3.19. 5.1 Reading Button Value 357
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