* Author(s): cefn
 """
-import os
 from adafruit_blinka.agnostic import board_id, detector
 
 # pylint: disable=ungrouped-imports,wrong-import-position,unused-wildcard-import,wildcard-import
     from machine import Pin
 elif detector.chip.CV1800B:
     from adafruit_blinka.microcontroller.cv1800b.pin import Pin
-elif (
-    "BLINKA_FORCECHIP" in os.environ
-    and os.environ["BLINKA_FORCEBOARD"] == "GENERIC_AGNOSTIC_BOARD"
-):
+elif detector.chip.RV1103:
+    from adafruit_blinka.microcontroller.rockchip.rv1103.pin import Pin
+elif detector.chip.RV1106:
+    from adafruit_blinka.microcontroller.rockchip.rv1106.pin import Pin
+elif detector.chip.OS_AGNOSTIC:
     from adafruit_blinka.microcontroller.generic_agnostic_board.pin import Pin
 
 from adafruit_blinka import Enum, ContextManaged