/* Arduino Processing Pong Analog input 0 and 1 control the paddles Based on Esplora Pong by Tom Igoe This example is in the public domain. */ void setup() { Serial.begin(9600); // initialize serial communication } void loop() { // read the inputs int leftPaddleUp = analogRead(A0); int leftPaddleDown = analogRead(A1); int rightPaddleUp = analogRead(A2); int rightPaddleDown = analogRead(A3); Serial.print(leftPaddleUp); Serial.print(","); // add a comma Serial.print(leftPaddleDown); Serial.print(","); Serial.print(rightPaddleUp); Serial.print(","); Serial.println(rightPaddleDown); delay(10); // delay before sending the next set }