Measurement devices like the PMD-1208LS ($109) and PMD-1024LS ($99) connect to a Windows PC via USB 1.1 or 2.0. The PMD-1208LS has four differential or eight single-ended 12-bit analog inputs, a pair of 10-bit analog outputs, a 32-bit counter, and 16 bits of digital I/O. The PMD-1024LS offers two 8-bit and two 4-bit digital ports. Magnetic, velcro, and security attachment mounting options provide convenient placement.
Mearurement Computing Corp.