AN302

51单片机基础训练项目之通用红外遥控器，包含了PPT等课件，看了你就会了。(51 MCU-based training programs, universal infrared remote control)

测脉宽，基于STC15W单片机的测试要在1.3管脚加一个脉冲然后通过OLED 屏幕显示(Pulse width measurement)

基于c8051f单片机的内部模数转换模块程序，已封装，可以直接移植。。。(Based on the single chip microcomputer c8051f internal digital-to-analog conversion module program, already enclosed, can directly transplant...)

l3g4200 89s52 1602 显示出测得的三轴倾角(l3g4200 89s52 1602 three-axis shows the measured angle)

说明：  基于r7f0c809单片机的便携式电源，可以给手机等消费电子产品充电，具有过电流、过电压、过温保护功能。(The portable power supply based on r7f0c809 MCU can charge mobile phones and other consumer electronic products, and has the functions of over-current, over-voltage and over-temperature protection.)

说明：  ESP8266硬件参考设计文件，有硬件PCB原理图，三个文件。。。(ESP8266 file,PCBSCHPDF,for learning)

宽频放大器,有以下功能: 预置增益,增益加/减,显示输出电压有效值,自动增益 显示有效值. 增益输入及加减 自动增益没有实现(Wideband amplifier has the following functions: Preset gain, gain plus/minus, the display output voltage RMS, automatic gain display rms. AGC gain input and subtraction is not implemented)

SRAM存储芯片IS61LV25616AL的测试程序，适合于所有相关的SRAM测试，只需修改相关的基地址及偏移量()

利用STM32F103的两个通用定时器产生SPWM波输出。(Two universal timers of STM32F103 are used to generate SPWM wave output.)

基本按键操作——单键触发8位二进制累加计数器实验(Basic key operation- one-touch trigger 8-bit binary up-counter experiment)