diff --git a/adapter_ninafw-machine.go b/adapter_ninafw-machine.go
new file mode 100644
index 00000000..3c94a2b3
--- /dev/null
+++ b/adapter_ninafw-machine.go
@@ -0,0 +1,20 @@
+//go:build ninafw
+
+package bluetooth
+
+import (
+	"machine"
+)
+
+func init() {
+	NINA_SCK = machine.NINA_SCK
+	NINA_SDO = machine.NINA_SDO
+	NINA_SDI = machine.NINA_SDI
+	NINA_CS = machine.NINA_CS
+	NINA_ACK = machine.NINA_ACK
+	NINA_GPIO0 = machine.NINA_GPIO0
+	NINA_RESETN = machine.NINA_RESETN
+	NINA_BAUDRATE = machine.NINA_BAUDRATE
+	NINA_RESET_INVERTED = machine.NINA_RESET_INVERTED
+	NINA_SOFT_FLOWCONTROL = machine.NINA_SOFT_FLOWCONTROL
+}
diff --git a/adapter_ninafw.go b/adapter_ninafw.go
index 7ff3c052..05d91f5e 100644
--- a/adapter_ninafw.go
+++ b/adapter_ninafw.go
@@ -11,6 +11,28 @@ import (
 
 const maxConnections = 1
 
+var (
+	// NINA-W102 Pins
+	NINA_SCK machine.Pin
+	NINA_SDO machine.Pin
+	NINA_SDI machine.Pin
+
+	NINA_CS     machine.Pin
+	NINA_ACK    machine.Pin
+	NINA_GPIO0  machine.Pin
+	NINA_RESETN machine.Pin
+
+	NINA_TX  machine.Pin
+	NINA_RX  machine.Pin
+	NINA_CTS machine.Pin
+	NINA_RTS machine.Pin
+
+	// NINA-W102 settings
+	NINA_BAUDRATE         = 115200
+	NINA_RESET_INVERTED   = true
+	NINA_SOFT_FLOWCONTROL = false
+)
+
 // Adapter represents the UART connection to the NINA fw.
 type Adapter struct {
 	hci *hci