Economical 100kHz 12-bit A/D for 16 single-ended and 8 differential inputs from any computer with a USB 2.0 port. PC/104 sized board and mounting holes installed in a small rugged enclosure with SCSI connectior for Data Acquisiion and digital control. The unit has manual calibration, 16 high-current digital I/O lines, and 16-bit counter/timer for event counting or frequency generation. Powered by USB port.