5V USB Relay Module USB Intelligent Control Switch,Default NO5246

Feature:

1. Onboard square USB interface, stable connection

2. Use imported high performance USB control chip

3. Use the special relay to drive the chip ULN2803, the relay works stably.

5. PCB board made.

6. Board power socket and terminal, two ways to connect to the power supply are convenient and flexible. After the power is connected, even if the computer is turned off or the USB is pulled out from the computer, the relay can also maintain the setting state.

7. PCB size: 71.6mm*65.3mm

8. Fixed hole size: 3mm, fixed hole center moment: 67.4mm*61.3mm.

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