Sahil Gulati: visiting cards

Sunday, January 14, 2018

Write an IOT application that controls LED with ON and OFF button using Windows IOT

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Apparatus Required:
1 LED,2 jumper wires,1 resistor,Raspberry pi,breadboard
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XAML
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<Page
x:Class="Ledswitch.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Ledswitch"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">

<Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
<Button x:Name="On" Content="On" HorizontalAlignment="Left"
Margin="149,70,0,0" VerticalAlignment="Top" Click="On_Click"/>
<Button x:Name="button" Content="Off" HorizontalAlignment="Left"
Margin="149,154,0,0" VerticalAlignment="Top" Click="button_Click"/>

</Grid>
</Page>

CS
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using System;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.Devices.Gpio;

namespace App1
{

public sealed partial class MainPage : Page
{
GpioPin _pin;
public MainPage()
{
this.InitializeComponent();
var controller = GpioController.GetDefault();
_pin = controller.OpenPin(4);

}

private void btnOn_Click(object sender, RoutedEventArgs e)
{
_pin.SetDriveMode(GpioPinDriveMode.Output);
_pin.Write(GpioPinValue.High);
}

private void btnOff_Click(object sender, RoutedEventArgs e)
{
_pin.Write(GpioPinValue.Low);
}
}
}