USB Control Switch 4-Channel 12V Relay Module

Product description
SuperiParts Smart Electronics 4 Channel DC 12V Computer USB Control Switch Drive Relay Module PC Intelligent Controller
The module uses HID technology, without any driver, plug and play. Support WIN7, XP 32-bit, 64-bit system, easy to use. (Can provide development libraries, if necessary, please contact us).
On-board square USB interface, the connection is stable; the use of high-performance USB control chip; using a dedicated relay driver chip ULN2803, the relay work more stable;
Power outlet and terminal, two kinds of access to power convenient and flexible way. After connecting the power, the relay can maintain the setting status even when the computer is off or the USB is unplugged from the computer.
PCB size: 71.6mm * 65.3mm, fixing hole size: 3mm, fixing hole center moment: 67.4mm * 61.3mm.
Note: Due to the nature of the USB protocol, this module is not suitable for use in locations with greater electromagnetic interference! If you want to use, please do electromagnetic shielding measures.
Package Include:
Please refer to the picture and the product title.

Security Packaging.