This is a solar tracker for a cell phone camera to track and record the sun. This is primarily for recording a solar eclipse. This tracker utilizes a $6 Walmart timer to rotate the cell phone. ( https://www.walmart.com/ip/Hyper-Tough-Indoor-Analog-Timer-Single-Grounded-Outlet/725810211?from=/search ). For more information, please see my YouTube video: https://youtu.be/TGKd0hqRNrg