The multifunctional cryptogrammic lock that consists of wireless communication, 24C01A ISD1420,single-chip microcomputer and telephone network is introduced in this paper.
This machine is a general model produced by Tianyu insection instrunent CoLtd,and has advanced single chip control technique,with stable and reliable performance.
The automatic weightometer burden system which controlled by computer,the principle of data communication between weightometer and microcontorller,the technology of hardware interface are presented.
The 586 industrial control computer with PC bus is the primary computer and the secondary computer is combined with microcontroller, SIEMENS transverter and so on.
The speed synthesizer based on SCM PIC16F876, which applied to the left and right drives of brush direct current motor for tracklayer robot and vehicle.
A recorder for recording temperature in a small biocabin on board the recoverable satellite and the speed of a centrifuge incorporated in the cabin was developed.
A new kind of electrotherapeutical instrument is developed based on the theory of interference electrotherapy and 89C2051 system, by use of which, the instrument has been greatly improved.
Methods The optometer is composed of singlechip, handle and LCD.The eyesight is examined by selecting exposure of random sample eye-chart mark E within direction keys on the handle.
It takes the single chip microcomputer AT89C51 as the control nucleus, uses digit controlled current to control running of weighbeam, adopts infrared technology to check the balance of weighbeam.
Scheme is proposed of using a computer on sline and digital fil-tering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system .