5V Solar Energy Panel Tracking Sensor Platine Modul Automatikschaltung einachsig
4,19 €
Note : the power should be stabilivolt 5-5.5V, and it cannot connect the solar board. 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 change the motor wire position.
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