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Published in:
2012 | OriginalPaper | Chapter
Design and Study on Hardware Circuit of Agriculture Automatic Micro-irrigation Control System Based on Single Chip Model AT89S52
Authors : Li Chunfeng, Zhang Xiang
Published in: Software Engineering and Knowledge Engineering: Theory and Practice
Publisher: Springer Berlin Heidelberg
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Taking single chip model AT89S52 as the core, the essay firstly makes an overall conceptual design to agriculture automatic micro-irrigation control system, then designs and studies the circuits that the principal hardware used in the conceptual design, such as soil moisture probe, A/D converter, optoelectronic isolator, etc. simultaneously designs that agriculture automatic micro-irrigation control system automatically gives an alarm and closes the electromagnetic valve to end the irrigation when water content in the soil reaches to the set values.