Pin

Constructors

Pin(「pin_name」[required], direction[required], pull_mode[optional], value[optional])

Create a Pin object associated with the given gpio pin name and configure it using other parameters. This allows you to then read/write digital values on the pin.

  • 「pin_name」: The name of the pin, must be in string format, use help(Pin.board) to check all pin names

  • direction:

    • Pin.IN – for input

    • Pin.OUT - for output

  • pull_mode:

    • Pin.PULL_NONE – no pull-up or down resistor

    • Pin.PULL_UP – enable pull-up resistor

    • Pin.PULL_DOWN – enable pull-down resistor

    • default value – Pin.PULL_NONE

  • value: Initial value, only applicable to OUTPUT, for example value = 1. Default value 0.

Methods

Pin.id()

This method will return the associated GPIO pin name after declaring a Pin object.

Pin.init(「pin_name」[required], direction[required], pull_mode[optional], value[optional])

Identical function as the Constructor, it creates and initializes a Pin object using parameter typed in.

Pin.value(number[optional])

This method can be used in 2 ways,

  1. Output number keyed in

number can only be either 0 or 1 , indicating logic 0 or logic 1

  1. Check the status of the pin

When left blank, this method will check the status (logic 0 /1) of the Pin, regardless of which direction this Pin is configured as.

Pin.on()

This method sends a logic 1 signal to the associated pin

Pin.off()

This method sends a logic 0 signal to the associated pin

Pin.toggle()

This method toggles the logic signal of the associated pin