diff --git a/examples/spark_core_api.go b/examples/spark_core_api.go
index d30386f2..707051f5 100644
--- a/examples/spark_core_api.go
+++ b/examples/spark_core_api.go
@@ -10,11 +10,10 @@ import (
 
 func main() {
 	master := gobot.NewGobot()
-	api.Api(master).Start()
+	api.NewApi(master).Start()
 
 	sparkCore := spark.NewSparkCoreAdaptor("spark", "device_id", "access_token")
-
-	led := gpio.NewLed(sparkCore, "led", "D7")
+	led := gpio.NewLedDriver(sparkCore, "led", "D7")
 
 	work := func() {
 		gobot.Every(1*time.Second, func() {
diff --git a/examples/spark_core_blink.go b/examples/spark_core_blink.go
index d92b918e..c9f098aa 100644
--- a/examples/spark_core_blink.go
+++ b/examples/spark_core_blink.go
@@ -11,7 +11,7 @@ func main() {
 	master := gobot.NewGobot()
 
 	sparkCore := spark.NewSparkCoreAdaptor("spark", "device_id", "access_token")
-	led := gpio.NewLed(sparkCore, "led", "D7")
+	led := gpio.NewLedDriver(sparkCore, "led", "D7")
 
 	work := func() {
 		gobot.Every(1*time.Second, func() {
diff --git a/examples/spark_core_button.go b/examples/spark_core_button.go
index 8b3329d5..64f38508 100644
--- a/examples/spark_core_button.go
+++ b/examples/spark_core_button.go
@@ -4,15 +4,14 @@ import (
 	"github.com/hybridgroup/gobot"
 	"github.com/hybridgroup/gobot/platforms/gpio"
 	"github.com/hybridgroup/gobot/platforms/spark"
-	"time"
 )
 
 func main() {
 	master := gobot.NewGobot()
 
 	sparkCore := spark.NewSparkCoreAdaptor("spark", "device_id", "access_token")
-	led := gpio.NewLed(sparkCore, "led", "D7")
-	button := gpio.NewButton(sparkCore, "button", "D5")
+	led := gpio.NewLedDriver(sparkCore, "led", "D7")
+	button := gpio.NewButtonDriver(sparkCore, "button", "D5")
 
 	work := func() {
 		gobot.On(button.Events["push"], func(data interface{}) {
diff --git a/examples/spark_core_led_brithgness.go b/examples/spark_core_led_brithgness.go
index c61b9520..6d92dc7c 100644
--- a/examples/spark_core_led_brithgness.go
+++ b/examples/spark_core_led_brithgness.go
@@ -11,13 +11,13 @@ func main() {
 	master := gobot.NewGobot()
 
 	sparkCore := spark.NewSparkCoreAdaptor("spark", "device_id", "access_token")
-	led := gpio.NewLed(sparkCore, "led", "A1")
+	led := gpio.NewLedDriver(sparkCore, "led", "A1")
 
 	work := func() {
 		brightness := uint8(0)
-		fade_amount := uint8(15)
+		fade_amount := uint8(25)
 
-		gobot.Every(0.5*time.Second, func() {
+		gobot.Every(500*time.Millisecond, func() {
 			led.Brightness(brightness)
 			brightness = brightness + fade_amount
 			if brightness == 0 || brightness == 255 {