serial-port

STM32 SPI读写FM25CL64铁电存储器，程序为103RBT6单片机读写代码，包括SPI初始化、字节发送接收代码、FM25CL64读写代码(STM32 SPI read/write FM25CL64 ferroelectric memory, the application for 103 rbt6 microcontroller, speaking, reading and writing code, including the SPI initialization code byte code to send and receive FM25CL64, speaking, reading and writing )

说明：  一个特别好的modbus从机扫描程序，可以以RTU或ASCII方式通信以此来检验下位机。(A particularly good modbus slave scanner can communicate with RTU or ASCII way to test this lower position.)

说明：  读写SD卡的头文件，MMC，不含fat文件系统。(Read and write SD card.)

基于单片机MSP430的DS1302的时钟芯片编程，实现时钟显示(Based on MSP430 MCU DS1302 clock chip programming, the clock display)

点亮小灯，针对51单片机系统，简单实用，操作简单，具有可移植性(lighten the light)

51单片机静态数码管显示51单片机静态数码管显示(sfasdasdasd )

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!)

基于MAP430F149单片机的典型例题，很有帮助(Microcontroller based MAP430F149 a typical example, very helpful)

PWM调光 1、学习目的：利用定时器产生PWM，了解原理和使用方法 2、硬件要求：LED灯 定时器 3、试验现象：LED灯由亮到灭，由灭到亮逐步变化，也就是调光现象(PWM dimming, learning objectives: the use of the timer to generate PWM understand the principles and use hardware requirements: LED lamp timer test phenomenon: LED lights from bright to off, gradually changes from off to bright, that is, adjusted optical phenomena)

42-ps2键盘LCD1602液晶显示.对于初学学习硬件开发的同学们，有很大的帮助哦。(42-ps2 keyboard LCD1602 LCD display. For the beginner to learn the hardware development of students, very helpful Oh.)