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本文详细介绍了用于原油、成品油液位液温智能测量报警系统中8098单片机控制下的语音报警电路HY420及接口的硬软件设计。
This paper introduces the hardware and software design of HY420 and interface of alarm circuit HY420 under the control of 8098 single-chip microcomputer for intelligent measurement and alarm system of liquid temperature of crude oil and product oil level.