//go:build example // +build example // // Do not build by default. /* How to run Pass serial port to use as the first param: go run examples/firmata_led_brightness_with_analog_input.go /dev/ttyACM0 */ package main import ( "fmt" "os" "time" "gobot.io/x/gobot/v2" "gobot.io/x/gobot/v2/drivers/aio" "gobot.io/x/gobot/v2/drivers/gpio" "gobot.io/x/gobot/v2/platforms/firmata" ) func main() { firmataAdaptor := firmata.NewAdaptor(os.Args[1]) sensor := aio.NewAnalogSensorDriver(firmataAdaptor, "0", aio.WithSensorCyclicRead(500*time.Millisecond)) led := gpio.NewLedDriver(firmataAdaptor, "3") work := func() { _ = sensor.On(aio.Data, func(data interface{}) { brightness := uint8( gobot.ToScale(gobot.FromScale(float64(data.(int)), 0, 1024), 0, 255), ) fmt.Println("sensor", data) fmt.Println("brightness", brightness) if err := led.Brightness(brightness); err != nil { fmt.Println(err) } }) } robot := gobot.NewRobot("sensorBot", []gobot.Connection{firmataAdaptor}, []gobot.Device{sensor, led}, work, ) if err := robot.Start(); err != nil { panic(err) } }