pxt-ev3/docs/coding/traffic-lights-3.md

# Traffic Lights Activity 3

```blocks
forever(function () {
    if (sensors.color3.light(LightIntensityMode.Reflected) < 15) {
        motors.largeBC.tank(30, 12)
    } else {
        motors.largeBC.tank(12, 30)
    }
})
```
traffic lights activity 2018-01-06 04:28:24 +01:00			`# Traffic Lights Activity 3`

			```blocks
replacing loops.pause -> pause, loops.forever -> forever 2018-02-15 01:05:31 +01:00			`forever(function () {`
traffic lights activity 2018-01-06 04:28:24 +01:00			`if (sensors.color3.light(LightIntensityMode.Reflected) < 15) {`
			`motors.largeBC.tank(30, 12)`
			`} else {`
			`motors.largeBC.tank(12, 30)`
			`}`
			`})`
			```