Simplified title: SainSmart USB 4 Channel DC 12V Relay Module for Arduino, Raspberry Pi, DSP, AVR, PIC, ARM

The USB Relay Controller/Data Acquisition Module allows computer-controlled switching of external devices as well as full bi-directional communication with the external world, making it ideal for Data Acquisition applications. The controller's flexibility enables its use in various custom applications, including weather stations, temperature monitoring, logging, and control, as it can be easily connected to temperature and other types of sensors.

The communication parameters are as follows: 8 Data, 1 Stop, No Parity, and a Baud rate of 9600. Drivers are available for a wide range of operating systems, including Windows Server 2008 R2, Windows 7, Windows 7 x64, Windows Server 2008, Windows Server 2008 x64, Windows Vista, Windows Vista x64, Windows Server 2003, Windows Server 2003 x64, Windows XP, Windows XP x64, Windows 2000, Windows ME, Windows 98, Linux, Mac OS X, Mac OS 9, Mac OS 8, and Windows CE.NET (Version 4.2 and greater).

The available commands for the four channels are as follows:

FIRST channel: - OFF command: FF 01 00 (HEX) or 255 1 0 (DEC) - ON command: FF 01 01 (HEX) or 255 1 1 (DEC)

SECOND channel: - OFF command: FF 02 00 (HEX) or 255 2 0 (DEC) - ON command: FF 02 01 (HEX) or 255 2 1 (DEC)

THIRD channel: - OFF command: FF 03 00 (HEX) or 255 3 0 (DEC) - ON command: FF 03 01 (HEX) or 255 3 1 (DEC)

FOURTH channel: - OFF command: FF 04 00 (HEX) or 255 4 0 (DEC) - ON command: FF 04 01 (HEX) or 255 4 1 (DEC)

The device can be downloaded from the following link: https://s3-ap-northeast-1.amazonaws.com/sain-amzn/20/20-018-909/20-018-909.rar

product information: