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AI-on-the-edge-device-docs/param-docs/parameter-pages/GPIO/IO0.md
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Parameter IO0

Default Value: input disabled 10 false false

!!! Warning This is an Expert Parameter! Only change it if you understand what it does!

Description

This parameter can be used to configure the GPIO IO0 pin.

!!! Warning This pin is only usable with restrictions! It must be disabled when the camera is used. Additionally, it is used to activate Bootloader mode and must therefore be HIGH after a reset!

Parameters:

  • GPIO 0 state: One of input, input pullup, input pulldown or output.
  • GPIO 0 use interrupt: Enable interrupt trigger
  • GPIO 0 PWM duty resolution: LEDC PWM duty resolution in bit
  • GPIO 0 enable MQTT: Enable MQTT publishing/subscribing
  • GPIO 0 enable HTTP: Enable HTTP write/read
  • GPIO 0 name: MQTT topic name (empty = GPIO0). Allowed characters: a-z, A-Z, 0-9, _, -.