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Police-using firearms management aim to effectively monitor and manage the following links about firearms, saving, in or out of storage, transportation, using, carrying, recycling etc. This paper introduces a kind of design and realization of master-slave firearms management system based on RS-485 bus technology. This system uses the network system with half-duplex and multi-computer communication...
This paper introduces a kind of Thick film integrated circuit design of multi-measurement module. The thick film integrated circuit improves many inadequacies of traditional single signal collecting system, like various spices, poor generality, inconvenient debug and maintenance etc. It realizes the measurement of various signals like voltage, current, thermocouple, resistance, frequency etc, and...
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