solarsurges
https://www.solarsurges.com/products/solar-tracker-controller-tcu-self-powered/
The Tracker Control Unit (TCU) serves as the motor drive component in a smart PV tracking system. It computes the sun's path in real time and calculates the ideal tracking angle using time, longitude, and latitude data, guaranteeing that the PV modules consistently operate at the optimal angle.This product is directly powered from the solar panel array, no Grid Power or Charging Panel. This self powered solar tracker also supports small-panel power input.