To meet the varying needs of industrial users, CONTEC provides a wide array of digital input/output devices, from high-speed pattern sampling/signal generator to TTL/LVTTL I/O, optcoupler-isolated and relay-contact output boards/modules for PCI, PCI Express and USB and CardBus. CONTEC also offers a variety of programming support tools including Windows API/ActiveX (OCX), Linux API and C-LogicDesigner, a free GUI-based digital signal creator/generator application.