traffic lights activity

docs/coding.md

@@ -68,3 +68,25 @@
 }    
 ]
 ```
+
+## Traffic Lights
+
+```codecard
+[{
+  "name": "Traffic Lights",
+  "description": "Activity 1",
+  "url":"/coding/traffic-lights-1",
+  "cardType": "example"
+}, {
+  "name": "Traffic Lights",
+  "description": "Activity 2",
+  "url":"/coding/traffic-lights-2",
+  "cardType": "example"
+}, {
+  "name": "Traffic Lights",
+  "description": "Activity 3",
+  "url":"/coding/traffic-lights-3",
+  "cardType": "example"
+}
+]
+```

docs/coding/traffic-lights-1.md

@@ -0,0 +1,9 @@
+# Traffic Lights Activity 1
+
+```blocks
+brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
+    motors.largeBC.tank(20, 20)
+    sensors.color3.pauseForColor(ColorSensorColor.Red)
+    motors.largeBC.tank(0, 0)
+})
+```

docs/coding/traffic-lights-2.md

@@ -0,0 +1,10 @@
+# Traffic Lights Activity 2
+
+```blocks
+sensors.color3.onColorDetected(ColorSensorColor.Red, function () {
+    motors.largeBC.tank(0, 0)  
+})
+sensors.color3.onColorDetected(ColorSensorColor.Green, function () {
+    motors.largeBC.tank(20, 20)
+})
+```

docs/coding/traffic-lights-3.md

@@ -0,0 +1,11 @@
+# Traffic Lights Activity 3
+
+```blocks
+loops.forever(function () {
+    if (sensors.color3.light(LightIntensityMode.Reflected) < 15) {
+        motors.largeBC.tank(30, 12)
+    } else {
+        motors.largeBC.tank(12, 30)
+    }
+})
+```