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@@ -112,35 +112,26 @@ The above code uses Socket.io to listen for a message from the HTML/JavaScript w
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Using [Arduino Create](https://create.arduino.cc/editor) create the following sketch and upload it to your Arduino.
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```csharp
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// Define the port for the LED
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intlightPin=2;
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voidsetup()
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{
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// Initialize the light pin
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pinMode(lightPin, OUTPUT);
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// Initialize the Serial
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Serial.begin(9600);
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}
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voidloop() {
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// CHeck to see if Serial data is being received
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if (Serial.available() >0) {
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// Create a new string variable to receive Serial data
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StringreceivedString="";
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// Loop through received data and append to the receivedString variable
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while (Serial.available() >0) {
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receivedString+=char(Serial.read ());
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}
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// Print received Serial data
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Serial.println(receivedString);
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// Change LED status based on received data
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if(receivedString=="1")
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digitalWrite(lightPin,HIGH);
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else
@@ -153,7 +144,7 @@ void loop() {
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The previous code will listen to the serialport for an incoming message. Once a message is received, if the message is a one the light will turn on, if the message is a zero the light will turn off.
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[View the Arduino code on Arduino Create](https://create.arduino.cc/editor/professoradam/da29d7ec-2df5-4528-82ce-817710aadb1a/preview)
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[View the Arduino code on Arduino Create](https://create.arduino.cc/editor/professoradam/af5288bf-00cc-406c-844e-f20485fa2df8/preview)
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You will need to setup the following circuit using your Arduino:
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