Outputs PWM signal at boot, strapping pinĬontinue reading for a more detail and in-depth analysis of the ESP32 GPIOs and its functions. Outputs PWM signal at boot, must be LOW to enter flashing modeĬonnected to on-board LED, must be left floating or LOW to enter flashing mode The pins highlighted in red are not recommended to use as inputs or outputs. The ones highlighted in yellow are OK to use, but you need to pay attention because they may have an unexpected behavior mainly at boot. The pins highlighted in green are OK to use.
The following table shows what pins are best to use as inputs, outputs and which ones you need to be cautious. * * This ESP32 code is created by * * This ESP32 code is released in the public domain * * For more detail (instruction and wiring diagram), visit */ # include "pitches.Additionally, there are pins with specific features that make them suitable or not for a particular project.
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