LCUS-2 Dual-channel 2-channel USB Relay Module USB Intelligent Control Switch

Features 1 Onboard 8 bit high performance microcontroller chip2 Onboard CH340 USB control chip3 Onboard power LED indicator and relay status LED indicator4 Support relay switch status query5 Onboard 2 5V 10A 250VAC 10A 30VDC relays the relay has a long life and can be activated continuously for 100 000 times6 The module has overcurrent protection and relay diode freewheeling protection functions7 Board size 50 40mmInstructions 1 Connect the USB relay module to the computer and install the CH340 USB to serial port chip driver 2 Open the serial port debugging software such as STC ISP and SSCOM32 select the baud rate to be 9600 and send A0 01 01 A 2 and AO 02 01 A3 in hexadecimal hex form to open the first channel and the first channel respectively Two way relay send A0 01 00 A1 and A0 02 00 A2 in hex format to turn off the first and second relays respectively You can choose to send manually or automatically Package included 1 x 2 channel USB Relay Module