-# pylint: disable=unused-import
-# importing CHIP to make the lgpio CHIP handle available
-from adafruit_blinka.microcontroller.bcm283x.pin import Pin, CHIP
-# pylint: enable=unused-import
+# Use RPi.GPIO pins for Raspberry Pi 4
+from adafruit_blinka.microcontroller.generic_linux.rpi_gpio_pin import Pin