Infrarot Umkehrradar Zum Selbermachen Kit Teil elektronische Reichweitenerkennung Erinnerungssensor
2,08 €
In the case that there is no obstruction above the infrared transmitter tube and receiver tube, adjust RP1 to make the LED3 on the circuit board light up, and then adjust RP1 in the opposite direction to make the LED3 just go out.
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