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Buttons.md

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Buttons

Default buttons are logic HIGH when not actuated and logic LOW when actuated. They have a pull-up resistor enabled on the respective GPIO (logic HIGH when unconnected). A button is signalled in Tasmota upon release (a rising edge of the GPIO voltage by default). That way the duration of a button press can be recognized and acted upon.

!!! info "Available button components"

  • Button Default button
  • Button_i Button with inverted logic levels
  • Button_n Button without internal pull-up resistor enabled
  • Button_in Inverted button without internal pull-up
  • Button_tc ESP32 touch button input

Switches

Default switches are logic HIGH when active. Tasmota reads 1 or ON when the respective GPIO is logic HIGH (+3.3V). They have a pull-up resistor enabled on the respective GPIO (logic HIGH when unconnected). A Switch is signalled in Tasmota upon state change, i.e. a transistion from logic HIGH to logic LOW or from logic LOW to HIGH, respectively.

!!! info "Available switch components"

  • Switch Default switch
  • Switch_n Switch without internal pull-up resistor enabled