Example Program - Blink Test for I2C Qwick Connector

/*
  ZXPS-I2C-Pins-Blink-Test.ino  by Stewart Newfeld, Zebra Systems, Inc.
  Diagnostic routine that toggles two I2C lines once per second for LED or Oscilloscope inspection
  PIN A4 - SDA
  PIN A5 - SCL
  
  A4  ____        ________        ________        ____
         |________|      |________|      |________|     
        
  A5  ________        ________        ________        
             |________|      |________|       |_______
*/

void setup() {
  // initialize pins as an outputs.
  pinMode(A4, OUTPUT);
  pinMode(A5, OUTPUT);
}

void loop() {
  digitalWrite(A4, HIGH);   // 
  digitalWrite(A5, HIGH);   // 
  delay(500);               // wait for 500ms second
  digitalWrite(A4, LOW);    // 
  delay(500); 
  digitalWrite(A5, LOW);    //
  delay(500); 
  digitalWrite(A4, HIGH);   // 
  delay(500);     
}

filename: ZXPS-I2C-Pins-Blink-Test.ino