基于sl1811芯片的功能，完成usb host 的功能

基于uPSD3334单片机pwm波形产生程序，频率可调，占空比可调。可同时产生三路PWM波形。在电力电子中有极好的应用。使用Kerl开发环境-based uPSD3334 MCU pwm waveform generator procedures, adjustable frequency, duty cycle adjustable. May also have three PWM waveform. In power electronics has an excellent application. Kerl use development environment

ARM7――lpc2148forSD卡的读写控制-ARM7- lpc2148forSD card read and write control

运用AVR单片机MEGA16L控制NRF24L01射频芯片，进行数据的发送应用。-use mega16l to control nrf24l01 as a transmiter

STM32FAD转换，单片机开发板，在实例中演示了AD转换过程。-STM32FAD conversion, microcontroller development board, in the instances demonstrate the AD conversion process.

非常之经典的MCS51程序,非常适合初学者-very classic MCS51 procedures, very suitable for beginners

AD双通道采集程序+proteus仿真 AD双通道采集程序+proteus仿真-AD dual-channel acquisition procedures+ Proteus simulation of dual-channel AD acquisition procedures+ Proteus simulation

.Is not a sourcecode or document 3.lost some files 4.Description is not detailed or not correct 5.Compressed file has password 6.Sourcecode duplicate

LC72131完整程序，朋友刚刚给我就提供给朋友参考-LC72131 complete procedure, a friend just gave me a reference on the provision to a friend

调整手机背景，色彩，调通手机界面或者制作3D动感界面-Phone adjust background color, tune Qualcomm mobile phone interface or the production of 3D dynamic interface

单片机控制的步进电机系统，包含keil51仿真和DXP原理图。-Single-chip stepper motor control system, including simulation and keil51 schematic DXP.