 const char END_CHAR = ';'; // End of the command message sent to and from the Arduino.
 const char DATA_DELIMITER[2] = ","; // Splits the command name and value. For some reason has to be size 2.
 
-Module* actuators[] = {&armModulesModule, &engine1, &engine2, &engine3, &engine4, &sendSensorReadingsModule, &refreshRate, &forwardLED};
+Module* actuators[] = {&armModulesModule, &armActuatorModule, &engine1, &engine2, &engine3, &engine4, &sendSensorReadingsModule, &refreshRate, &forwardLED};
 Module* sensors[] = {&depthSensor, &depthSensor2};
 
 /* =============================================================================

/* Prepare to listen to commands over serial and start everything up. */
{
	armModulesModule.setValue(0); // Don't arm the modules by default, wait for a command.
	refreshRate.setValue(10); // Set default delay in milliseconds in the main loop
	forwardLED.setValue(0);
	

boolean getSerial(void);
void sendSensorReadings(void);
void armModules(void);
void armActuator(int idx);

/* =============================================================================
 * MOTOR DEFINITIONS.
