NOYITO HID Drive-Free USB Computer Control Switch Relay Module USB Smart Switch Control Plug and Play (1-Channel USB)

Features: 1.Working Temperature: -20°C to +70°C 2. Board Size and Weight: 1-Channel Module : 61x16 x 17 mm(LWH) / 15 Grams 2-Channel Module : 47 x 33 x17 mm(LWH) / 25 Grams 4-Channel Module : 65 x 47 x 17 mm (LWH) / 50 Grams 8-Channel Module : 80 x 75 x17 mm (LWH) / 98.5 Grams Hardware introduction and description Board Interface Description: COM1: 1-channel common port; NC1: 1-channel normally closed port; NO1: 1-channel normally open port . .... COM8: 8-channel common port; NC8: 8-channel normally closed port; NO8: 8-channel normally open port . VID and PID number of the relay's module: VID: 5131 PID: 2007 Generally, it is a fixed value and does not need to be changed. Communication protocol description: Default communication baud rate: 9600BPS Turn on the 1-channel relay switch: A0 01 01 A2 Turn off the 1-channel relay switch: A0 01 00 A1 Turn on the 2-channel relay switch: A0 02 01 A3 Turn off the 2-channel relay switch: A0 02 00 A2 Turn on the 3-channel relay switch: A0 03 01 A4 Turn off the 3-channel relay switch: A0 03 00 A3 ...... Turn on the 8-channel relay switch: A0 08 01 A9 Turn off the 8-channel relay switch: A0 08 00 A8 This series of HID relay devices cannot query the relay status by entering the code "0xFF". USB switch communication protocol Data (1) --- start flag (default is 0xA0) Data (2) --- switch address codes (0x01 and 0x02 represent the first and second switches, respectively) Data (3) --- operating data (0x00 is "off", 0x01 is "on") Data (4) --- check code Package Included: 1pcs NOYITO HID Drive-free USB Computer Control Switch Relay Module