USB Relay Module MCU PC USB Smart Control Switch Jog Self Locking

Features: Onboard high performance microcontroller chips. Onboard CH340 USB control chip. Onboard LED power indicator and relay status indicator. Adopt military grade double sided circuit board 100percent brand new and high quality. Specification: Product model: E 3 Communication chip: CH340 Communication protocol: Serial port communication Communication format: (9600, 8, NONE, 1) Baud rate: 9600, 8 bits, no parity, 1 stop bit Weight: Approx. 17g Use serial port assistant to send 0xAA, the relay keeps opening; Send 0xBB, the relay keeps closing; Send 0xCC, the relay works for 1 second then stop (Jog) Package list: 1 * USB Relay Module