 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};
 
 /* =============================================================================


/* TODO TODO TODO
- add a custom LED module to make things more tidy
- add an option to arm motors independently
- figure out which ESC sends alarm at arming (throttle not zero?) (port hor?)
*/


 * =============================================================================
 */
Module armModulesModule = Module("armModules"); // Arms all the sensors and actuators.
Module armActuatorModule = Module("armActuator"); // Arms only one of the actuators depending on the argument it receives.

Module sendSensorReadingsModule = Module("sendSensorReadings"); // Sends sensor readings over serial.

