diff --git a/platforms/gpio/rgb_led_driver.go b/platforms/gpio/rgb_led_driver.go
index 2530e218..02c7b2f0 100644
--- a/platforms/gpio/rgb_led_driver.go
+++ b/platforms/gpio/rgb_led_driver.go
@@ -68,8 +68,8 @@ func (l *RgbLedDriver) Halt() (errs []error) { return }
 // Name returns the LedDrivers name
 func (l *RgbLedDriver) Name() string { return l.name }
 
-// Pin returns the RgbLedDrivers redPin
-func (l *RgbLedDriver) Pin() string { return l.pinRed }
+// Pin returns the RgbLedDrivers pins
+func (l *RgbLedDriver) Pin() string { return "r=" + l.pinRed + ", g=" + l.pinGreen + ", b=" + l.pinBlue }
 
 // RedPin returns the RgbLedDrivers redPin
 func (l *RgbLedDriver) RedPin() string { return l.pinRed }
diff --git a/platforms/gpio/rgb_led_driver_test.go b/platforms/gpio/rgb_led_driver_test.go
index 96c8bf3c..a139063b 100644
--- a/platforms/gpio/rgb_led_driver_test.go
+++ b/platforms/gpio/rgb_led_driver_test.go
@@ -23,7 +23,7 @@ func TestRgbLedDriver(t *testing.T) {
 	d := initTestRgbLedDriver(newGpioTestAdaptor("adaptor"))
 
 	gobottest.Assert(t, d.Name(), "bot")
-	gobottest.Assert(t, d.Pin(), "1")
+	gobottest.Assert(t, d.Pin(), "r=1, g=2, b=3")
 	gobottest.Assert(t, d.RedPin(), "1")
 	gobottest.Assert(t, d.GreenPin(), "2")
 	gobottest.Assert(t, d.BluePin(), "3")