some.go

package main

import (
	"fmt"
	"log"
	"time"

	"gobot.io/x/gobot"
	"gobot.io/x/gobot/drivers/gpio"
	"gobot.io/x/gobot/platforms/firmata"
)

func main() {
	firmataAdaptor := firmata.NewAdaptor("/dev/tty.usbmodem1411")
	led := gpio.NewLedDriver(firmataAdaptor, "13")

	var text string
	work := func() {
		gobot.Every(1*time.Millisecond, func() {
			_, _ = fmt.Scanln(&text)
			led.Toggle()
			log.Println("HELLO")
		})
	}

	robot := gobot.NewRobot("bot",
		[]gobot.Connection{firmataAdaptor},
		[]gobot.Device{led},
		work,
	)

	err := robot.Start()
	if err != nil {
		log.Println(err)
	}
}