add link to functional test article

Author: Renat0Ribeir0

content/Education and Kits/Engineering Kit/If-you-need-help-with-Arduino-Engineering-Kit.md

@@ -5,10 +5,15 @@ id: 4408918962962
 
 The Arduino Engineering Kit is developed in collaboration with MathWorks® to provide three project-based experiences with MATLAB and Simulink on the Arduino platform. Follow these instructions if you experience any issues.
 
+---
+
 ## Try this first
 
 * Check the course material, particularly the "Getting started" chapters or lessons, or those specific a project you're doing.
 * Check any error messages you are getting for additional information.
+* Test if specific components in the Arduino Engineering Kit Rev2 are functioning correctly or if they are faulty. See [AEK R2: functional test for battery, servo motor, and DC motor](https://support.arduino.cc/hc/en-us/articles/10972564241948-AEK-R2-functional-test-for-battery-servo-motor-and-DC-motor) for more information.
+
+---
 
 ## Get support