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Design of Multi-Channel Data Acquisition System Based on VB

LV Zhong-bin

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Abstract

The system took the microcontroller(MCU),SST89C58 as the core with the necessary peripheral circuits supplemented.A kind of multi-channel data acquisition system monitored by a computer was designed.ADC0809 was used for data acquisition,with ZLG7289 selecting channels.Data communication between the MCU and the PC was realized through RS232 serial interface to carry out control and display of the PC.The whole system can gather data coming from eight channels,switch between the PC and the MCU,and may be applied in many data acquisition systems.

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What this paper is about

The system took the microcontroller(MCU),SST89C58 as the core with the necessary peripheral circuits supplemented.A kind of multi-channel data acquisition system monitored by a computer was designed.ADC0809 was used for data acquisition,with ZLG7289 selecting channels.Data communication between the MCU and the PC was realized through RS232 serial interface to carry out control and display of the PC.The whole system can gather data coming from eight channels,switch between the PC and the MCU,and may be applied in many data acquisition systems.

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Available abstract

The system took the microcontroller(MCU),SST89C58 as the core with the necessary peripheral circuits supplemented.A kind of multi-channel data acquisition system monitored by a computer was designed.ADC0809 was used for data acquisition,with ZLG7289 selecting channels.Data communication between the MCU and the PC was realized through RS232 serial interface to carry out control and display of the PC.The whole system can gather data coming from eight channels,switch between the PC and the MCU,and may be applied in many data acquisition systems.

Key concepts: Microcontroller, Data acquisition, Computer hardware, Interface (matter), Serial communication, Channel (broadcasting), Serial port, Embedded system

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