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Numato Lab’s 4 Channel USB Solid State Relay Module is great for controlling your devices through USB without any USB protocol knowledge. This module plugs into your design seamlessly. Individual relay can be controlled by simple commands.

This product has four onboard Solid State  Relays that can switch up to 3A load. The relays and GPIOs can be controlled and read status by simple commands. The board, when attached to a PC/Laptop shows up as a serial port and all you need to control the board is a serial terminal application like HyperTerminal or Putty. This board can easily be controlled by writing a simple serial port application in VC++, VB, VBA (Word, Excel, etc), Perl, Python, etc.

Features

• 4 onboard Solid State Relays with individual LEDs for status.
• 3A Maximum Switching Current.
• 4 TTL (3.3V)Compatible GPIOs.
• 4 Analog Input Channels (Multiplexed with GPIOs).
• 10 bits Analog Input Resolution.
• USB interface with CDC support. As easy as using a serial port, no USB knowledge required.
• Relay contacts available on easy to access screw terminals.
• Can be powered from USB or external power supply.
• Can be controlled by using standard serial console applications or custom applications.
• No vendor specific libraries or APIs required.

Applications

• Home Automation
• Industrial Automation
• Lighting Control
• Garden Equipment Control
• Test Fixtures
• DIY and Hobby

Supporting operating Systems

• Windows XP
• Windows 7
• Windows 8/8.1
• Windows 10
• Linux
• Mac OS X
• Android