2 Channel USB Powered Relay Module is great for controlling your devices through USB without any USB protocol knowledge. This modules plugs in to your design seamlessly. Individual relays can be controlled by simple commands. The relays are powered from 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 on board 5v DC relays that can switch up to 2A load.The relays are controlled by USB capable Microchip PIC Microcontroller (PIC18F14K50) and comes with built in firmware that supports simple commands to control relays and read relay status. 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 application in VC++, VB, VBA (Word, Excell etc), Perl, Python etc.
Supported Operating Systems: Windows XP Windows Vista 32bit/64bit Windows 7 32bit/64bit Linux Mac OS X
Number Of Relays: 2
Relay Type: Mechanical
Max Relay Current Rating: 2A
ADC Resolution: 10Bit
#Of ADC Inputs (Multiplexed with IOs): 4
Number Of GPIOs (Max): 4