4/8 Kanal Computer USB Steuerung Verzögerungsschalter DC 12V bequem für Smart Home
11,10 €
The use of special relay driver chip ULN2803, more stable relay work. The use of genuine Songle relay. On-board square USB interface, stable connection. Wiring Mode: NC/COM/NO. The module adopts HID technology, foreign trade quality, without any driver, download the information inside the self-contained application, plug and play.
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