  1  - not connected (Serial write)
  0  - not connected (Serial read)
  
- A0 - Motor current sensor (not used)
- A1 - Motor current sensor (not used)
+ A0 - Battery LED 1
+ A1 - Battery LED 2
  A2 - Battery LED 3
  A3 - unused
  A4 - Thumbstick vertical

  pinMode(3, INPUT); // Re-wired from the shield's default
  pinMode(11, INPUT); // Re-wired from the shield's default
  
  
  // Setup Channel A
  pinMode(motorA_direction, OUTPUT); // Initiates motor pin for channel A

  Serial.println(timer_battery);
  
  
  actionStop();
  batteryLevel();
  whiskersCalibrate();

}
