diff --git a/Makefile b/Makefile
index f46ba1b..40f575d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ smoketest: FORCE
 	tinygo build -o ./out/gopher-badge.uf2    --target gopher-badge          --size short ./targets/gopher-badge/
 	tinygo build -o ./out/macropad-rp2040.uf2 --target macropad-rp2040       --size short ./targets/macropad-rp2040/
 	tinygo build -o ./out/sg48key.uf2         --target xiao                  --size short ./targets/sg48key/
+	tinygo build -o ./out/sg48key-rp2040.uf2  --target xiao-rp2040           --size short ./targets/sg48key/
 	tinygo build -o ./out/sgh60.uf2           --target waveshare-rp2040-zero --size short ./targets/sgh60/
 	tinygo build -o ./out/sgkb-left.uf2       --target xiao-rp2040           --size short ./targets/sgkb/left/
 	tinygo build -o ./out/sgkb-left-0.3.0.uf2 --target xiao-rp2040           --size short ./targets/sgkb/left-0.3.0/
diff --git a/targets/sg48key/adcdevice.go b/targets/sg48key/adcdevice.go
index f40b3d2..073b9bf 100644
--- a/targets/sg48key/adcdevice.go
+++ b/targets/sg48key/adcdevice.go
@@ -48,7 +48,7 @@ func (a *ADCDevice) Get() int16 {
 var mapx = map[int]int16{
 	0: 0,
 	1: 0,
-	2: 10,
+	2: 0,
 	3: 10,
 	4: 20,
 	5: 30,
diff --git a/targets/sg48key/main.go b/targets/sg48key/main.go
index 1c7036f..a238757 100644
--- a/targets/sg48key/main.go
+++ b/targets/sg48key/main.go
@@ -42,39 +42,30 @@ func run() error {
 		machine.D4, // not connected
 	}
 
-	led1 := machine.LED
-	led1.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	led2 := machine.LED2
-	led2.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	led3 := machine.LED3
-	led3.Configure(machine.PinConfig{Mode: machine.PinOutput})
-
 	sm := d.AddSquaredMatrixKeyboard(colPins, [][]keyboard.Keycode{
 		{
 			jp.KeyTab, jp.KeyQ, jp.KeyW, jp.KeyE, jp.KeyR, jp.KeyT, jp.KeyY, jp.KeyU, jp.KeyI, jp.KeyO, jp.KeyP, jp.KeyAt,
 			jp.KeyLeftCtrl, jp.KeyA, jp.KeyS, jp.KeyD, jp.KeyF, jp.KeyG, jp.KeyH, jp.KeyJ, jp.KeyK, jp.KeyL, jp.KeySemicolon, jp.KeyColon,
 			jp.KeyLeftShift, jp.KeyZ, jp.KeyX, jp.KeyC, jp.KeyV, jp.KeyB, jp.KeyN, jp.KeyM, jp.KeyComma, jp.KeyPeriod, jp.KeySlash, jp.KeyBackslash,
-			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeyTo1, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyLeftAlt, jp.KeyPrintscreen, jp.KeyDelete,
+			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeySpace, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyTo1, jp.KeyPrintscreen, jp.KeyDelete,
 		},
 		{
 			jp.KeyTab, jp.KeyQ, jp.KeyF15, jp.KeyEnd, jp.KeyF17, jp.KeyF18, jp.KeyY, jp.KeyU, jp.KeyTab, jp.KeyO, jp.WheelUp, jp.KeyAt,
 			jp.KeyLeftCtrl, jp.KeyHome, jp.KeyS, jp.MouseRight, jp.MouseLeft, jp.MouseBack, jp.KeyLeft, jp.KeyDown, jp.KeyUp, jp.KeyRight, jp.KeyEnter, jp.KeyEsc,
 			jp.KeyLeftShift, jp.KeyF13, jp.KeyF14, jp.MouseMiddle, jp.KeyF16, jp.MouseForward, jp.WheelDown, jp.KeyM, jp.KeyComma, jp.KeyPeriod, jp.KeySlash, jp.KeyBackslash,
-			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeyTo2, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyLeftAlt, jp.KeyPrintscreen, jp.KeyDelete,
+			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeySpace, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyTo2, jp.KeyPrintscreen, jp.KeyDelete,
 		},
 		{
 			jp.KeyTab, jp.Key1, jp.Key2, jp.Key3, jp.Key4, jp.Key5, jp.Key6, jp.Key7, jp.Key8, jp.Key9, jp.Key0, jp.KeyBackspace,
 			jp.KeyLeftCtrl, jp.KeyMinus, jp.KeyHat, jp.KeyBackslash2, jp.KeyLeftBrace, jp.KeyRightBrace, jp.KeyHome, jp.KeyPageDown, jp.KeyPageUp, jp.KeyEnd, jp.KeyEnter, jp.KeyEsc,
 			jp.KeyLeftShift, jp.KeyF1, jp.KeyF2, jp.KeyF3, jp.KeyF4, jp.KeyF5, jp.KeyF6, jp.KeyF7, jp.KeyF8, jp.KeyF9, jp.KeyF10, jp.KeyF11,
-			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeyTo0, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyLeftAlt, jp.KeyPrintscreen, jp.KeyF12,
+			jp.KeyEsc, jp.KeyWindows, jp.KeyLeftAlt, jp.KeyMod1, jp.KeySpace, jp.KeySpace, jp.KeySpace, jp.KeyMod2, jp.KeyHiragana, jp.KeyTo0, jp.KeyPrintscreen, jp.KeyF12,
 		},
 	})
 	sm.SetCallback(func(layer, index int, state keyboard.State) {
 		layer = d.Layer()
 		fmt.Printf("sm: %d %d %d\n", layer, index, state)
-		led1.Set(layer != 0)
-		led2.Set(layer == 0)
-		led3.Set(layer == 0)
+		callback(layer)
 	})
 
 	// override ctrl-h to BackSpace
diff --git a/targets/sg48key/xiao-rp2040.go b/targets/sg48key/xiao-rp2040.go
new file mode 100644
index 0000000..63a097d
--- /dev/null
+++ b/targets/sg48key/xiao-rp2040.go
@@ -0,0 +1,29 @@
+//go:build xiao_rp2040
+
+package main
+
+import (
+	"machine"
+)
+
+var (
+	led1 = machine.LED_RED
+	led2 = machine.LED_GREEN
+	led3 = machine.LED_BLUE
+)
+
+func init() {
+	led1.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	led2.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	led3.Configure(machine.PinConfig{Mode: machine.PinOutput})
+
+	led1.Low()
+	led2.Low()
+	led3.High()
+}
+
+func callback(layer int) {
+	led1.Set(layer != 0)
+	led2.Set(layer != 0)
+	led3.Set(layer == 0)
+}
diff --git a/targets/sg48key/xiao.go b/targets/sg48key/xiao.go
new file mode 100644
index 0000000..954db2d
--- /dev/null
+++ b/targets/sg48key/xiao.go
@@ -0,0 +1,25 @@
+//go:build xiao
+
+package main
+
+import (
+	"machine"
+)
+
+var (
+	led1 = machine.LED
+	led2 = machine.LED2
+	led3 = machine.LED3
+)
+
+func init() {
+	led1.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	led2.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	led3.Configure(machine.PinConfig{Mode: machine.PinOutput})
+}
+
+func callback(layer int) {
+	led1.Set(layer != 0)
+	led2.Set(layer == 0)
+	led3.Set(layer == 0)
+}