timer4_led_test

可显示六方晶系的0001标准极图，可改变c/a比，可根据输入显示极点。(Shows the six-crystal pole figure of the 0001 standards, can change the c/a ratio, based on input display pole.)

51单片机驱动12864及1602程序，带有proteus仿真(51 microcontroller drive 12864 and 1602, with proteus simulation )

说明：  基于KEIL和proteus联合实现汉字以点阵形式显示(Display Chinese characters in lattice form based on keil and Proteus)

51单片机串口实验，有proteus仿真原理图，一个发送，一个接收(51 microcontroller serial experiments, proteus simulation schematic, a sending, receiving)

ADC0808的数字电压表C语言-仿真实例(The ADC0808 The digital voltmeter to the C language- the simulation examples)

AD转换资料，超全大量AD采集电压以及采集电流的方法！(AD conversion data, a large number of ultra-wide voltage and collected current AD acquisition method!)

一：硬件结构框图 在远程网络温度测控系统的中，硬件电路的核心是欧姆龙CPM2A型号的PLC，主要包括数据采集电路、放大电路、A/DD/A转换电路、控制电路等组成。(1: Hardware block diagram of the temperature on the remote network monitoring and control system, the hardware circuit is the core of CPM2A model Omron PLC, mainly include data acquisition circuit, amplifier circuit, A/DD/A conversion circuit, control circuit and so on.)

涵盖一些模块在stm32f4下的代码，有dht11，ds18b20，mq-7等模块的代码，还有一些通讯的代码，如：usart iic等(It covers the code of some modules under stm32f4, such as dht11, ds18b20, mq-7, and some communication codes, such as USART iic, etc.)

说明：  用PIC18FJ11单片机开发实时时钟芯片的实例代码，完整代码。(whole source code of using PIC18FJ11 and RTCC chip.)

Frecuencymeter digital, clk frequency 10 MHZ, exhibition in 7 segments