| 基于单片机的纸张计数显示装置设计 |
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| 引用本文： | 胡辉. 基于单片机的纸张计数显示装置设计[J]. 广东电脑与电讯, 2021, 1(7): 1-4 |
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| 作者姓名： | 胡辉 |
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| 作者单位： | 商丘职业技术学院机电系,河南商丘476000 |
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| 基金项目： | 2017 年度河南省高等学校重点科研项目“基于概率假设密度滤波的多目标连续跟踪算法研究”，项目编号：17A 520052；2017年度河南省科技攻关课题“大型多冰盘方冰制冰机的研发”，项目编号：172102210438；2020年度河南省高等学校重点科研项目“基于图像分析的数字图像作品自动评判系统研究”，项目编号：20B520027；河南省教育科学“十三五”规划 2019年度一般课题新工科背景下民办高校计算机类专业校企合作效能研究，项目编号：〔2019〕- JK G H Y B- 0361。 |
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| 摘 要： | 本系统是由AT89C51单片机作为核心控制,采用自制电容式传感器和单片机计数电路、显示电路组成.直流稳压电源为单片机提供5V工作电压,将纸张放在电容式传感器两个极板之间,使电容传感器的介电常数发生变化,检测电路通过两条屏蔽线与电容传感器两极板连接,采集到变化的脉冲信号,经过振荡电路产生具有稳定周期的方波信号,方波进入单...
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| 关 键 词： | 纸张计数 单片机 显示电路 电容式传感器 语音提醒 |
Design of Paper Counting Display Device Based on Single Chip Microcomputer |
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| HU Hui. Design of Paper Counting Display Device Based on Single Chip Microcomputer[J]. Computer & Telecommunication, 2021, 1(7): 1-4 |
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| Authors: | HU Hui |
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| Abstract: | The system is controlled by AT89C51 single chip microcomputer as the core, and is composed of self-made capacitive sensor, counting circuit and display circuit. The paper is placed between the two plates of the capacitive sensor to make the dielectric constant of the capacitive sensor change. The detection circuit is connected with the two plates of the capacitive sensor through two shielding wires to collect the changing pulse signal and generate the square wave signal with stable period through the oscillation circuit. Square wave enters the MCU to compile and count, and finally the digital tube displays the number of paper in a short time.The system is easy to control and operate, and can be used for small and medium-sized paper counting. |
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| Keywords: | paper counting single chip display circuit capacitive sensor voice reminder |
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