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SainSmart USB 4 Channel Relay Automation (5V)
Overview:
This SainSmart USB Relay Controller/Data Acquisition Module allows computer controlled switching of external devices as well as full bi-directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer.
Features:
   •4 SPDT relays SRD-5VDC-SL-C    •Relay specification - 10A 250VAC/10A 125VAC/10A 30VDC /10A 28VDC    •Power Supply - 5 VDC    •Current consumption - 200 mA    •FT245RL. Datasheet -( http://www.ftdichip.com/)    •Led for each relay output    •Power Led    •USb led    •Size - 101*40*16mm    •Windows software examples: VB6, BCB6, Java (netbeans), VB.NET 2010 Express, C++.NET 2010 Express    •PCB parameters: FR4 / 1.5mm / two layers / metalized holes / HAL / white stamp / solder mask    •Extra PCB openings for better voltage isolation    •Doubled high current tracks
Applications:
   • Home automation    • Robotics    • Alarms    • Timers    • Open doors and windows via PC    • Aquariums applications