Dolly Slider for a DSLR camera controlled Bluetooth

Video ( https://youtu.be/Pv6bKovdF3s )



CODE Arduino, Circuit, App (APP inventor)
https://github.com/SocialSound/Dolly-Slider-BT

Materials:

-Rail Guides. like "Igus" (http://www.igus.es/wpck/6189/filmtechnology)
-Camera Ball and Socket Tripod Head
-Stepper motor NEMA 17
-Aluminium pulley GT2.
-GT2 timing belt 6mmx2m
-EasyDriver (https://www.sparkfun.com/products/12779)
-Arduino Micro
-PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost(https://www.adafruit.com/pro