LabVIEW (Laboratory Virtual instrument Engineering Workbench) is a graphical programming language development environment, it is widely used by industry, academia and research laboratories, accepted as a standard data acquisition and instrument control software. The design is to use LabVIEW as a measuring instrument, to accomplish the measurement of electrical motor speed which is one of the impotant technology of industrial measurement and control of electrical motor. Most measurement systems require the use of LabVIEW data acquisition card. But the simple application that can be achieved with single-chip data acquisition functions. Data acquisition is completed, through the serial port to send to LabVIEW, and LabVIEW for data from the display, storage, analysis and other functions.
The design leaves the use of opto-motor speed sensor into voltage model, the waveform through the Schmitt trigger and inverter plastic, and then were collected by 51 single-chip operation, and finally by the LabVIEW display. Simply use, but also includes these important technologies of today. It is also seem to be paving the way for future .Its meaning is important.
