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数字电子秤的设计怎么做

数字电子秤的设计怎么做

浏览：45次 | 提问时间： 07-29 08:05

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吹散思绪 07-29 08:06

数字*秤项目就是个AD转换，*秤分3个档。用开关分别拨到3个不同的档位。2000克精确到1克，是2000分之一的精确度，就是2的10次方，用10位的AD转换就能实现。*R单片机上有10位的ad转换，直接把重力传感器的电信号经过处理后介入*R单片机的PORTA口（PORTA口有10位的AD转换），然后启动单片机的AD转换，AD转换的结果保存在寄存器中。把转换后的结果显示到1602液晶显示器上。测量范围三档的选择状态可以用一个端口查询。具体的程序很简单的，可以*个1602的液晶程序使用。

巴黎左岸proven 07-29 08:14

你好，。这个项目就是个AD转换，*秤分3个档。用开关分别拨到3个不同的档位。2000克精确到1克，是2000分之一的精确度，就是2的10次方，用10位的AD转换就能实现。*R单片机上有10位的ad转换，

咫尺天涯媲鸳鸯 07-29 08:23

数字*秤是指称传感器与A/D转换在一起，而仪表只做*处理的衡器；性能主要最决于称重传感器的A/D转换精度和抗干扰能力方面；特点是调整角差方便。*秤-属于综合性技术的计量器具产品.首先它的计量性能必须符合*计量标准;其次它包含了单片机,和应变力学的应用.至今,国内还没有一套完整系统的专门介绍*秤的书.大部分都是专门介绍部分单元的书.

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