This paper introduces the functions and work principles of serial clock chip DS1302, the design of interface circuit with AT89C51 single -chip microcomputer in the spray irrigation controller.
本文介绍了串行时钟芯片DS1302的功能和工作原理，并给出ds1302在灌溉控制器中与AT 89 C 51单片机的接口电路设计。
Gas fire controller has various functions such as failure alarm, closing blower fan and fire damper, and can feedback manual, automatic, alarming, failure and spray signals to the fire control centre.
气体灭火控制器主要具有各种故障报警及关闭风机、防火阀等联动功能，并实现建手动、自动、报警、故障、喷放等信号反馈至消防联动控制中心。
This paper introduces an automatic controller for a chaff cutter coupled with a spray equipment of silage additives.
介绍了一种用于实现铡草机和青贮添加剂喷洒装置相联动的自动控制仪的工作原理和硬、软件设计。
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