4/8 Way Computer USB Control Switch-Free Relay Module Convenient for Smart Home
ab 12,38 €
The use of special relay driver chip ULN2803, more stable relay work. Type: Module. Health & Beauty. On-board square USB interface, stable connection. The use of genuine Songle relay. 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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