hybridgroup.gobot/examples/firmata_led_brightness.go

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package main
import (
"github.com/hybridgroup/gobot"
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"github.com/hybridgroup/gobot/platforms/firmata"
"github.com/hybridgroup/gobot/platforms/gpio"
"time"
)
func main() {
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gbot := gobot.NewGobot()
firmataAdaptor := firmata.NewFirmataAdaptor("firmata", "/dev/ttyACM0")
led := gpio.NewLedDriver(firmataAdaptor, "led", "3")
work := func() {
brightness := uint8(0)
fade_amount := uint8(15)
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gobot.Every(100*time.Millisecond, func() {
led.Brightness(brightness)
brightness = brightness + fade_amount
if brightness == 0 || brightness == 255 {
fade_amount = -fade_amount
}
})
}
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gbot.Robots = append(gbot.Robots,
gobot.NewRobot("pwmBot", []gobot.Connection{firmataAdaptor}, []gobot.Device{led}, work))
gbot.Start()
}