package main import ( "fmt" "time" "gobot.io/x/gobot" "gobot.io/x/gobot/drivers/gpio" "gobot.io/x/gobot/platforms/intel-iot/joule" ) func main() { e := joule.NewAdaptor() led := gpio.NewLedDriver(e, "J12_26") work := func() { brightness := uint8(0) fadeAmount := uint8(15) gobot.Every(100*time.Millisecond, func() { err := led.Brightness(brightness) if err != nil { fmt.Println(err) } brightness = brightness + fadeAmount if brightness == 0 || brightness == 255 { fadeAmount = -fadeAmount } }) } robot := gobot.NewRobot("pwmBot", []gobot.Connection{e}, []gobot.Device{led}, work, ) robot.Start() }