045-PWM

Useful modding - a spectrum analyzer + clock. We came across two 5x8 LED matrix, virtually occupying five-inch drive bay, and I decided to make a spectrum analyzer based on their sound.

AVR单片机 定时器的应用 初始化 以及中断程序(AVR microcontroller timer application initialization and interrupt routine)

基于STM32F10X的气压传感器（bmp180）程序，串口输出，内含bmp180手册。(Based STM32F10X pressure sensor (bmp180) program, serial output, containing bmp180 manual.)

IIc应用，AT24C512初始化，清零，存储，读取多字节存入 写入多字节(IIc applications, initialization, clear, store, read, write more bytes into a multi-byte)

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)

STC15单片机应用角度传感器MMA7361L调试程序(STC15 SCM application debugger angle sensor MMA7361L)

MCU图片解码，使用STM32对JPEG图片解码，(STM32 JPEG decoder code,)

Delta servo drive a new generation of hardware ASDA-B2 manual programming is an electrical engineer hardware reference manual,

一个自制的小闹钟程序，程序可以配置，能够切换背景以及时间显示的外观，两者可以单独变换也可以一起变换。(A self-made small alarm clock program, the program can be configured, can switch the time display background and appearance, the two can be alone together can also transform transformation.)

AD7746 用51测试来获取最小电容~(use 51 measure AD7746)