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Long-distance range which realizes based on MODEM many machine main from the type communication
Sunday, December 7th, 2008 at 19:42 | No commentsCategories: Communication NetworksShort Content: Abstract: Has outlined MSM7512BRS many in the long-distance range machine main from the type correspondence application, introduced in detail this component's pin function and the working, have given in the actual project application communications system's principle of work which is composed of the computer and the monolithic integrated circuit, and carries on the analysis to its work process. Key word: MSM7512BRS; AT89C52; RS-232; MAXl488 1 outline Along with the computer technology and communication's development, the data communication already became one application ... -
Based on C8051F020 general serial port adapter’s design
Monday, November 17th, 2008 at 19:52 | No commentsCategories: Communication NetworksShort Content: 1 introduction Serial communication's widespread application may cause each kind of transmission facility organically to be united as one body, can carry on the data exchange and the information transmission reliably safely. But because on each equipment transmission channel's signal is different, applies the serial port are also various, must complete the numerous equipment correspondences, inevitably must involve to each equipment's between serial port transformation question. In order to cause computer's RS-232 connection to carry on the correspondence with each ... -
RS-232 serial communication interference elimination noise design method analysis
Wednesday, October 29th, 2008 at 23:37 | No commentsCategories: Communication NetworksShort Content: 1 communication link's insulation design method The RS-232 big noise (disturbance) the allowance may cause the connection to work reliably, avoids to adding to the data error which by exterior in the wire the noise causes. In has filled in the electronic noise connection environment, the insulation may the noise precaution between junction circuit's coupling. The insulation through divides into an electric circuit each one independent block to carry on the work. These use light and the magnetic coupling transmit the ... -
Based on AT89C52 supersonic signal fusion processing system design
Tuesday, October 21st, 2008 at 13:21 | No commentsCategories: SCMShort Content: Abstract: This article designed and has realized more than one kind of supersonic signal fusion processing system, mainly used in moving the robot supersonic range finder guidance. The system in view of the supersonic echo signal's characteristic, uses at89C52 monolithic integrated circuit for to come from many ultrasonic sensor's weak echo signal to carry on the digital processing, and realizes the communication through the RS-232 serial port and the main engine. Using this system, may complete the ultrasonic wave signal ...
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