// +build example // // Do not build by default. /* How to run Pass serial port to use as the first param: go run examples/firmata_pca9685.go /dev/ttyACM0 */ package main import ( "fmt" "os" "time" "gobot.io/x/gobot" "gobot.io/x/gobot/drivers/gpio" "gobot.io/x/gobot/drivers/i2c" "gobot.io/x/gobot/platforms/firmata" ) func main() { firmataAdaptor := firmata.NewAdaptor(os.Args[1]) pca9685 := i2c.NewPCA9685Driver(firmataAdaptor) servo := gpio.NewServoDriver(pca9685, "15") work := func() { pca9685.SetPWMFreq(60) for i := 10; i < 150; i += 10 { fmt.Println("Turning", i) servo.Move(uint8(i)) time.Sleep(1 * time.Second) } for i := 150; i > 10; i -= 10 { fmt.Println("Turning", i) servo.Move(uint8(i)) time.Sleep(1 * time.Second) } } robot := gobot.NewRobot("servoBot", []gobot.Connection{firmataAdaptor}, []gobot.Device{pca9685, servo}, work, ) robot.Start() }