package main import ( "github.com/hybridgroup/gobot" "github.com/hybridgroup/gobot/platforms/gpio" "github.com/hybridgroup/gobot/platforms/spark" "time" ) func main() { gbot := gobot.NewGobot() sparkCore := spark.NewSparkCoreAdaptor("spark", "device_id", "access_token") led := gpio.NewLedDriver("led", sparkCore, "A1") work := func() { brightness := uint8(0) fadeAmount := uint8(25) gobot.Every(500*time.Millisecond, func() { led.Brightness(brightness) brightness = brightness + fadeAmount if brightness == 0 || brightness == 255 { fadeAmount = -fadeAmount } }) } robot := gobot.NewRobot("spark", []gobot.Connection{sparkCore}, []gobot.Device{led}, work, ) gbot.AddRobot(robot) gbot.Start() }