diff --git a/internal/hw/gpio.go b/internal/hw/gpio.go
index 1dac18f..07dda03 100644
--- a/internal/hw/gpio.go
+++ b/internal/hw/gpio.go
@@ -7,16 +7,6 @@ import (
 )
 
 const (
-	pinDoorOpen    = 17
-	pinFanPower    = 22
-	pinCoolerPower = 23
-	pinHeaterPower = 24
-	pinLightsPower = 25
-
-	// GPIO21 is located at pin 13 on RPi 1B rev 1. Rev 2 and never boards
-	// has GPIO27 here.
-	pinOneWirePower = 21
-
 	off = 0
 	on  = 1
 )
diff --git a/internal/hw/pins_arm.go b/internal/hw/pins_arm.go
new file mode 100644
index 0000000..5c07f23
--- /dev/null
+++ b/internal/hw/pins_arm.go
@@ -0,0 +1,15 @@
+//go:build arm
+
+package hw
+
+const (
+	pinDoorOpen    = 17
+	pinFanPower    = 22
+	pinCoolerPower = 23
+	pinHeaterPower = 24
+	pinLightsPower = 25
+
+	// GPIO21 is located at pin 13 on RPi 1B rev 1. Rev 2 and never boards
+	// has GPIO27 here.
+	pinOneWirePower = 21
+)
diff --git a/internal/hw/pins_others.go b/internal/hw/pins_others.go
new file mode 100644
index 0000000..0893eb7
--- /dev/null
+++ b/internal/hw/pins_others.go
@@ -0,0 +1,15 @@
+//go:build !arm
+
+package hw
+
+const (
+	pinDoorOpen    = 17
+	pinFanPower    = 22
+	pinCoolerPower = 23
+	pinHeaterPower = 24
+	pinLightsPower = 25
+
+	// GPIO21 is located at pin 13 on RPi 1B rev 1. Rev 2 and never boards
+	// has GPIO27 here.
+	pinOneWirePower = 27
+)