Mysoltrk solar panel Sun tracker Mysoltrk operates using a set of two straightforward, yet sturdy actuators, each one constructed around a 6V 30RPM geared DC motor.

Solar trackers can improve the energy harvesting ability of a solar panel by a substantial margin, and now [Jay] has a two-axis tracker that is also portable.

For a cheaper solar tracker you can build for fun, check out this baby-sized solar tracker that also uses an Arduino! Or how about this one built out of parts from the hardware store?

The system, which includes two Arduino Uno open-source micro-controller boards, a DC-DC converter circuit and an H-Bridge motor driver, is said to be capable of a range of operations including ...