3U-CPCI-PCB-Template

标题: 如何实现0-10v或者4-20ma模拟量的高精度采集传输 标签: 0-5v,0-10v,0-20ma,4-20ma,模拟量采集,adc模数转换,电压电流采集,温湿度采集,称重模块,变送器 文档介绍: 本文基于综科智控开关量模拟量混合模块介绍如何实现0~5V，0~10V，0~20ma，4~20ma模拟量信号的高精度ADC采集转换，采集精度高达24bit，最多可以实现8通道同时采集转换，该模块同时还配有8路光耦隔离开关量输入以及8路光耦隔离晶体管输出，功能强大，适合于对精度和稳定性要求较高的工业或者物联网场合。(Title: How to achieve high precision acquisition and transmission of analog data of 0-10V or 4-20mA Label: 0-5V, 0-10V, 0-20mA, 4-20mA, analog data acquisition, ADC analog to digital conversion, voltage and current acquisition, temperature and humidity acquisition, weighing module, transmitter Document introduction: This paper introduces how to realize high precision ADC acquisition and conversion of 0~5V, 0~10V, 0~20ma, 4~20ma analog signals based on the integrated module of fully mechanized intelligent control switching analog quantity. The acquisition precision is as high as 24bit, and the 8 channel simultaneous acquisition and conversion can be realized at most. The module is also equipped with 8 optocoupler isolation switches and 8 optocoupler isolating crystals The tube output is powerful and suitable for industrial or Internet of things with high accuracy and stability.)

单片机可用的I2C接口代码，已在altera Nios II验证通过(I2C interface code, has been verified in the NiosII Altera)

DM365 LCD驱动程序,支持分辨率为480x272,修改后可用于其它分辨率.(DM365 LCD Driver program, 480x272 ,other as :640x480 ... )

transfer file using sound card

CC2530模块通过I2C通信接收ADXL345传感器采集到的数据并通过串口通信传递给电脑，亲自调试测试可用(CC2530 module through the I2C communication receiver the ADXL345 sensor to the data passed to the computer through the serial port communication, the person commissioning tests available)

矩阵键盘密码锁+简易计算器，C52的单片机平台，C语言开发，适用于初学学习。(Matrix keyboard lock+ simple calculator, C52 MCU platform, C language development, suitable for beginners to learn.)

STM32控制DDS输出正弦波等波形，频率幅值可调。(STM32 control DDS output sine wave waveform, adjustable frequency amplitude.)

说明：  称重模块代码，详细，易实现，精度高,2018年电赛(Weighing module code, detailed, easy to implement, high precision)

可编程逻辑设计中testbench的书写方法，测试技巧。(Writing testbench programmable logic design, test techniques.)

数字万年历资料，利用汇编语言实现Atmel89C51系列单片机的数字万年历，1602显示，温度采集，时钟芯片计时，是毕业设计的作品，有完整论文。(Digital calendar information)