| 基于STM32F103的手写绘图板设计 |
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| 引用本文： | 魏浩然,倪继锋,龙艳花. 基于STM32F103的手写绘图板设计[J]. 上海师范大学学报(自然科学版), 2016, 45(5): 543-547 |
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| 作者姓名： | 魏浩然 倪继锋 龙艳花 |
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| 作者单位： | 上海师范大学,上海师范大学,上海师范大学 |
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| 基金项目： | 上海高校青年教师培养资助计划(ZZshsf14026) |
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| 摘 要： | 本设计采用铜板电阻分压电路,基于AD7982的AD转换模块、STM32F103的主控制模块和LCD12864的液晶显示模块设计了一种手写绘图板.通过查找铜板电阻-电压变化关系的数据表,进行软件编程和优化,实现了表笔触动15 cm×10 cm覆铜板时,在液晶屏上显示触点坐标及象限功能、文字显示和表笔轨迹追踪、显示功能.本设计精度高、功耗低,是一种较理想的设计方案.
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| 关 键 词： | STM32 AD7982 LCD12806 坐标定位 轨迹追踪 |
| 收稿时间： | 2015-04-27 |
Design of handwritten drawing board based on the STM32F103 |
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| WEI Haoran,NI Jifeng and LONG Yanhua. Design of handwritten drawing board based on the STM32F103[J]. Journal of Shanghai Normal University(Natural Sciences), 2016, 45(5): 543-547 |
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| Authors: | WEI Haoran NI Jifeng LONG Yanhua |
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| Affiliation: | College of Information,Mechanical and Electrical Engineering,Shanghai Normal University,College of Information,Mechanical and Electrical Engineering,Shanghai Normal University and College of Information,Mechanical and Electrical Engineering,Shanghai Normal University |
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| Abstract: | A bleeder circuit of copper plate resistance is used to design a drawing board,in which the AD conversion module is based on AD7982,the master control module is based on the STM32F103,and the liquid crystal display module is based on LCD12864.By searching the linear data sheet which records the change of copper plate resistance-voltage,the drawing board can display the coordinates and quadrant of the contact,the text and the track of the pen on the LCD screen when the pen touches on the 15 cm×10 cm copper plate.This design is an ideal solution because of its high precision and low power consumption. |
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| Keywords: | STM32 AD7982 LCD12806 coordinate positioning path tracking |
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