Arduino Mega2560

Step 3: Remove screws on copper pillars and install servo motor at the front of upper car
chassis with 2pcs M2.2*8 Self Tapping Screws.
Step 4: Install mount holder for Ultrasonic Module on servo motor with M2*4 Self Tapping
screw. (Please note: please upload code to adjust servo motor direction before fixing
this screw)