5 V Solarenergiepanel automatisches Tracking-Modul einachsige Lichtquelle
6,77 €
Feature: 1. Principle: Put shelter on the photoresistor. 1 x Module. When the motor connects the board, there is no difference of positive and negative. When testing, if the motor rotates toward the opposite direction of the light source, then reverse the motor wire position.
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