class PWMBacklight – PWM Backlight

The PWMBacklight class controls a screen backlight via a PWM timer channel. Pass an instance as the backlight argument to any display constructor that accepts a backlight controller.

Constructors

class display.PWMBacklight(pin: machine.Pin, timer: int = 3, channel: int = 3, frequency: int = 200)

Creates a PWM-driven backlight controller.

pin specifies the Pin to use.

timer specifies the Timer number to use.

channel specifies the Timer channel to use.

frequency specifies the PWM frequency in Hz.

deinit() → None

Deinitializes the backlight controller.

backlight(value: int) → None

Sets the backlight strength from 0-100.