The following code describes how processing to arduino serial communication can be done…processing to arduino communication is very helpful when kinect is used along with processing..

Processing code

import processing.serial.*;
Serial port;

void setup() {
size(256, 150);

println("Available serial ports:");

port = new Serial(this, Serial.list()[0], 9600);


void draw() {
// draw a gradient from black to white
for (int i = 0; i < 256; i++) {
line(i, 0, i, 150);

// write the current X-position of the mouse to the serial port as
// a single byte

Serial.list()[0] uses the first port in this list (number 0) and aud used is 9600 if you know the port you can give it directly..

Arduino code

const int ledPin = 12; void setup() { Serial.begin(9600); pinMode(ledPin, OUTPUT); } void loop() { byte brightness; if (Serial.available()) { brightness = Serial.read(); if(brightness > 100){ digitalWrite(ledPin,HIGH); } else{…

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