Solar Tracker With Idiotware Shield

Print the
1) head_with_horns.stl
2) base.stl
3) arm.stl
from the original source https://www.thingiverse.com/thing:2467743

and the rest of the parts from this thing.

Assemble as shown in the photos, with a single servo. The Base.stl and the head_with_horns.stl is glue together with CA Glue.

Make wiring connections with two light sensor modules ( see images) and use an Arduino Uno with the attached code.
The Sensor Modules are connected to A0 and A1, and the servo is connected t