diff --git a/examples/firmata_button.go b/examples/firmata_button.go
index dce50e9b..88cd2fb1 100644
--- a/examples/firmata_button.go
+++ b/examples/firmata_button.go
@@ -11,7 +11,7 @@ func main() {
 
 	firmataAdaptor := firmata.NewAdaptor("/dev/ttyACM0")
 
-	button := gpio.NewButtonDriver(firmataAdaptor, "2")
+	button := gpio.NewButtonDriver(firmataAdaptor, "5")
 	led := gpio.NewLedDriver(firmataAdaptor, "13")
 
 	work := func() {
diff --git a/examples/firmata_metal_button.go b/examples/firmata_metal_button.go
new file mode 100644
index 00000000..c011628e
--- /dev/null
+++ b/examples/firmata_metal_button.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/hybridgroup/gobot/drivers/gpio"
+	"github.com/hybridgroup/gobot/platforms/firmata"
+)
+
+func main() {
+	f := firmata.NewAdaptor("/dev/ttyACM0")
+	f.Connect()
+
+	led := gpio.NewLedDriver(f, "13")
+	led.Start()
+	led.Off()
+
+	button := gpio.NewButtonDriver(f, "5")
+	button.Start()
+
+	buttonEvents := button.Subscribe()
+	for {
+		select {
+		case event := <-buttonEvents:
+			fmt.Println("Event:", event.Name, event.Data)
+			if event.Name == gpio.ButtonPush {
+				led.Toggle()
+			}
+		}
+	}
+}