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Description: STC单片机搭配双积分式AD采集0~5v模拟量，误差5mv！
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Size: 126065 |
Author: conghua687@sohu.com |
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Description: 使用AD单通道多次转换，采集P6.0输入的模拟电压值（变化范围：0～将P6口输入的模拟电压AD转换后，从P4、P5口连接的数码管输出。
使用AD单通道多次转换，采集P6.0输入的模拟电压值（变化范围：0～3.3V），转换为数字量。
建立二维数组和通过顺序查表的方法得出采集回来的电压值。然后通过数码管显示当前电压值，显
示跟随输入的模拟电压的变化。由于只有两位数码管，故显示电压值精确到小数点后一位，如当前
输入电压2.37V，则显示2.4V。可用万用表检测显示是否准确。 -Use AD single channel multiple conversion, acquisition P6.0 input analog voltage value (range: 0 ~ at the mouth of the input analog voltage AD conversion, P4, from P5 joint digital tube output.
Use AD single channel multiple conversion, acquisition P6.0 input analog voltage value (range: 0 ~ 3.3 V), converted to digital quantity.
To establish two-dimensional array and through the sequence look-up table method that acquisition back voltage value. Then through the digital tube display the current voltage value, show
And follow the input analog voltage changes. Because only two digital tube, the display voltage value accurate to decimal point, such as the current one
Input voltage of 2.37 V, 2.4 V is display. Available multimeter test showed that is correct or not.
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Size: 2048 |
Author: chenyilin |
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Description:
将P6口输入的模拟电压AD转换后，从P4、P5口连接的数码管输出。
使用AD单通道多次转换，采集P6.0输入的模拟电压值（变化范围：0～3.3V），转换为数字量。
建立二维数组和通过顺序查表的方法得出采集回来的电压值。然后通过数码管显示当前电压值，显
示跟随输入的模拟电压的变化。由于只有两位数码管，故显示电压值精确到小数点后一位，如当前
输入电压2.37V，则显示2.4V。可用万用表检测显示是否准确。
-After the P6 port analog voltage input AD converter, from P4, P5 port to connect the digital output.
The use of multiple single-channel AD converter, collecting P6.0 input analog voltage value (range: 0 ~ 3.3V), converted to a digital value.
Establish two-dimensional array and draw back the voltage value through the acquisition sequence look-up table approach. Then displays the current voltage value through the digital, display
Show follows the input analog voltage changes. Since only two digital tube, it shows the voltage values are accurate to one decimal place, such as the current
Input voltage 2.37V, displays 2.4V. Available multimeter test shows whether accurate.
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Size: 13312 |
Author: wanggui |
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Description: 温度控制系统的设计与实现
第一阶段我们已经完成了电源板、变送器和驱动器。
本学期的第二阶段要求是完成温度控制系统的设计与实现。
电路设计
⑴ 核心单元—单片机应用电路
⑵ 模拟量接口—A/D、D/A 电路
⑶ 人机交互单元—显示、键盘控制电路
程序设计
⑴ 控制模/数转换进行温度数据采集。
⑵ 控制数/模转换改变控温元件工作状态，进行温度控制。
⑶ 控制键盘与显示器，进行控制温度设定和测量温度显示。
⑷ 将温度数据转换为显示温度数值的算法程序。
⑸ 控制温度精确、平稳变化的的算法程序。
系统联调
⑴ 电路系统联调，配合测试程序实现基本的测温、控温功能。
⑵ 程序联调，通过电路系统实现精确、平稳的温度控制。
-Design and Realization of temperature control system
In the first phase, we have completed the power supply board, transmitter and driver.
The second phase of this term is to complete the design and implementation of temperature control system.
circuit design
The core unit of SCM application circuit
The analog interface circuit, D/A- A/D
The interactive unit display, keyboard control circuit
Program design
Controlled analog/digital conversion temperature data acquisition.
The control of a/D conversion to change the working state of a temperature control element, temperature control.
The control keyboard and display control, temperature setting and measuring temperature display.
The temperature data is converted to display temperature numerical algorithm.
The temperature control precision, smooth change algorithm.
System alignment
The circuit system debugging with testing program to realize the basic function of the temperature measurement and control.
The program debuggi
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Size: 794624 |
Author: xuyaowen |
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