USB interface with CDC support — works like a serial port, no USB expertise needed
2 onboard DPDT Relays
2A Maximum Switching Current
4 TTL (5V)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
2 Channel USB Powered Relay Module is great for controlling your devices through USB without any USB protocol knowledge. This module plugs into your design seamlessly. Individual relays can be controlled by simple commands. The relays are powered from the USB bus so it is important to connect this board directly to a PC or to a powered hub. Numato's 2 Channel USB Powered Relay Module provides exceptional value for money. It has two onboard 5V DC relays that can switch up to 2A 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 simple serial port applications in VC++, VB, VBA (Word, Excel, etc), Perl, Python, etc.