ao-52-30-7220

直流开关电源软开关技术，阮新波，写的很好，适合电力电子初学者，教师等使用(Dc switching power supply of soft switch technology, the new wave of ruan, write very good, suitable for power electronics beginners, teachers and so on)

数字表，自动安秒计数，自带按键停止，清零功能。适用于51系列单片机(digital clock asm file for 51.)

说明：  实现ti公司的tm4c1294的板载12位adc采样(12-bit ADC sampling)

example for adc for arm micro controller from ali m (iran)

说明：  kissfft，简单的快速傅里叶变换，重新爱上fft在单片机上的实现。(Kissfft, simplified fast Fourier transform.:))

说明：  32控制的防尾随门，主要应用于银行安检防盗门(32-controlled anti-tail door)

说明：  关于单片机的芯片手册，希望对大家有用，尤其是初次接触这款芯片的(About the chip Manual of single chip computer, I hope it will be useful to you all.)

public static void main Source Code for Andriod.

说明：  测距超声波探头制作资料，含原理图和PCB图。(Fabrication Data of Ranging Ultrasound Probe)

说明：  81 level inverter which uses embedded function block and has the THD around 1 percentddcdc