2 Kanäle 5 V Computer USB Steuerung Verzögerungsschalter Antriebsfreies Relaismodul
6,22 €
Using the dedicated relay driver chip ULN2803, the relay works more stably. Square USB interface, stable connection. Input current:>300MA. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
Jetzt bei Ebay:
