gpiozero, RPi.GPIO, pigpio and lgpio

Raspberry Pi GPIO libraries; gpiozero is the friendliest.

Easy

from gpiozero import LED, Button
from signal import pause
led, btn = LED(17), Button(2)
btn.when_pressed = led.toggle
pause()

On Raspberry Pi 5, use gpiozero or lgpio — RPi.GPIO doesn't support it.

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