8 Channels DC 12V Relay Module/Computer USB Type-B Control Switch Driver PC Intelligent Controller DC 12V Board for Smart Home

The module uses HID technology, foreign trade , without any driver on the system plug and play, easy to use and simple. We provide applications and C + + source code, professional and experienced engineers to provide you professional services, patiently answer any of your questions. You can simply relaxing this module to your own projects. Descriptions: 1 square onboard USB interface for connection stability 2 the use of high-performance USB controller chip 3 Use the relay driver chip ULN2803, relay work more stable 4 Using Songle relay 5 military grade PCB board production 6 board power and terminals, two kinds of access to power is flexible. After connecting the power, even if the computer off or unplug the USB from the computer, the relay can also remains set. 7. PCB size: 96.8mm * 72.2mm 8 fixing holes size: 3mm, fixing hole central moments: 92.7mm * 68mm Package Included: 1 x 12V USB Relay 8 Channel Programmable Computer Control For Smart Home

• 8 Channels DC 12V Relay Module / Computer USB Type-B Control Switch Driver PC Intelligent Controller DC 12V Board for Smart Home