NOYITO 8-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch electronics3 Crystal Clear Voice Ultra Lightweight

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NOYITO 8-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch electronics3 Crystal Clear Voice Ultra LightweightNOYITO 8 Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch Hardware introduction and description Board size: 76. 9 x 80. 6mm Board Interface Description: COM1: common; NC1: normally closed; NO1: normally open. COM8: common; NC8: normally closed; NO8: normally open. Communication protocol description: Default communication baud rate: 9600BPS Turn on the 1 channel relay switch: A0 01 01 A2 Turn off the 1 channel