Digital LED Light Module

Digital LED Light Module

This digital LED light module has a shiny color. It is ideal for starters.

Hardware Connection:

Sample Code:

Description:

The Digital LED Light Module will blink.

Steps:

1. Get Started Tutorial
2. Modify the Code in “MainPage.xaml.cs”.

using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Microsoft.Maker.RemoteWiring;
using Microsoft.Maker.Serial;
using System;
using System.Diagnostics;

namespace DFRobotWindowsIoTTempelate
{
  public sealed partial class MainPage : Page
  {
      UsbSerial usb;                          //Handle the USB connction
      RemoteDevice arduino;                   //Handle the arduino
      private DispatcherTimer textLEDTimer;     //Timer for the LED to textLED every one second
      private const int LED_PIN = 2;         //Pin number of the on board LED
      private PinState ledState;              //Pin state of the LED

      public MainPage()
      {
          this.InitializeComponent();

          //USB VID and PID of the "Arduino Expansion Shield for Raspberry Pi B+"
          usb = new UsbSerial("VID_2341", "PID_8036");

          //Arduino RemoteDevice Constractor via USB.
          arduino = new RemoteDevice(usb);
          //Add DeviceReady callback when connecting successfully
          arduino.DeviceReady += onDeviceReady;

          //Baudrate on 57600 and SerialConfig.8N1 is the default config for Arduino devices over USB
          usb.begin(57600, SerialConfig.SERIAL_8N1);
      }

      private void onDeviceReady()
      {
          //After device is ready this function will be evoked.

          //Debug message "Device Ready" will be shown in the "Output" dialog.
          Debug.WriteLine("Device Ready");
          var action = Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new Windows.UI.Core.DispatchedHandler(() =>
          {
              setup();
          }));
      }

      private void setup()
      {
          //Set the initial state of the led.
          ledState = PinState.LOW;

          //Set the pin mode of the led.
          arduino.pinMode(LED_PIN, PinMode.OUTPUT);

          //Set the timer to schedule textLED() every one second.
          textLEDTimer = new DispatcherTimer();
          textLEDTimer.Interval = TimeSpan.FromMilliseconds(1000);
          textLEDTimer.Tick += textLED;
          textLEDTimer.Start();
      }

      private void textLED(object sender, object e)
      {
          if (ledState == PinState.HIGH)  //LED state is HIGH.
          {
              //Turn off the LED.
              arduino.digitalWrite(LED_PIN, PinState.LOW);
              //Show the message in the Output dialog.
              Debug.WriteLine("OFF");
              //Set local LED state to Low.
              ledState = PinState.LOW;
          }
          else    //LED state is LOW.
          {
              //Turn on the LED.
              arduino.digitalWrite(LED_PIN, PinState.HIGH);
              //Show the message in the Output dialog.
              Debug.WriteLine("ON");
              //Set local LED state to Low.
              ledState = PinState.HIGH;
          }
      }
  }
}