He managed to build his own monitor using an Arduino. The trick of this build has to do with how the system works. The panel includes an LED light that blinks 1000 times for each kWh of electricity.

Using a solar-powered tracker as thin as a credit card, owners can now ring their wallet or find it on a map. Of course, a solar panel is of little use to a product that spends most of its time in ...

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.