HALJIA USB Relay Module USB Smart Control Switch Intelligent switch control

onboard high-performance micro-controller chips. onboard CH340 USB control chip. onboard LED power lights and relay status LED lights. onboard 5 v,10 A / 250 VAC,10 A / 30 VDC relays,relay's long life can absorb 100000 times in a row. module with over-current protection and relay diode current protection function. Product description USB switch the default communication baud rate: 9600 BPSUSB switch communication protocolData (1) - startup logo (the default is 0 xA0)Data (2) - switch address code (the default is 0 x01, identifies the first switch)Data (3) - operation data (0 x00 to "off", 0 x01 to "on")Data (4) - check codeFor example:Open the USB switch:A0 01 01 A2Close the USB switch: A0 01 00 A1 Packing List:1X USB relay module USB intelligent switch control