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== PC Systems == == [[Motion Detection]] Hardware ==* [http://www.kadtronix.com/digio/motion/usb_motion.htm USB Plug-n-Play Motion Detection System]* [http://www.phidgets.com/index.php Phidgets products for USB sensing and control]: Phidgets are a set of "plug and play" building blocks for low cost USB sensing and control from your PC. All the USB complexity is taken care of by our robust API. Applications can be developed quickly in .NET, Visual Basic, VBA (Microsoft Access and Excel), LabView, Java, Delphi, C, C++ and Python.