HW-343 5V 2 Relay Module Free Drive USB Control Switch PC Intelligent Control Switch Module

Description The module adopts HID technology foreign trade quality no driver is required and the download file has its own application program which is plug and play Support WIN7 XP 32 bit 64 bit system easy to use We provide application programs and C secondary development library code There is no VB code but they are all dll files Therefore if you can operate on VB you need to try it by friends who are familiar with VB Note This module does not ship with a cable friends who need it please purchase separately Square mouth usb line Module description 1 Onboard square USB interface stable connection2 Use imported high performance USB control chip3 Use genuine Songle relay4 Military grade PCB board production5 4 channels and 8 channels reserved power interface After connecting the power even if the computer is turned off or the USB is unplugged from the computer the relay can also maintain the setting state There is no power interface for No 1 and No 2 6 PCB size 56 5mm 40 6mm7 Fixing hole size 3mm fixed hole center moment 52 2mm 36 6mmProduct parameters 1 The relay is a 5V Songle relay the relay can control the maximum 250V 10A AC load and 30V 10A DC load2 Control terminal connection mode NC COM NO Application 1 Green means the relay is closed red means open 2 After turning on the device the software automatically obtains the current working status of the relay Package included 1 x 2 Relay Module