Abstract

Introduced a kind of based on CAN bus, to realization of artificial climate chamber environment data acquisition system. System adopts SJA1000, PCA82C520 as interface devices, the host through the CAN bus runs around in the culture room of all CAN nodes, each node through the installation of various sensors on plant growth environment factor for information collection and transmission. System has a good real-time performance, low running cost, easy to build, has broad application prospects.

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