JSB2431 provides a Double Pole Single Throw USB SPDT relay under control of a host computer via USB with user friendly terminal block connector on relay contacts.

JSB375 provides a solution to monitor AC lines and control over the USB.

DSB496x provides 96 bits of user controllable digital IO from any pc using USB

USB 2.0 SPDT 2 or 4 8Amp relays and 4 Opto Isolated Digital Input module.