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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

C8051F020+RA8835 I/O口控制 中英文混合显示-C8051F020+ RA8835 I/O port control of mixed Chinese and English display

AVR单片机的优化RC6 加密算法（速度快，其优化思想绝对值得学习） 在有128bytes RAM 的AVR单片机上执行 rc6 16/10/8(16 bit/10 rounds/8 bytes keys) * 对多数代码进行了 C 语言优化，对数据相关循环移位，模乘等用ASM优化 * 在4MHz无乘法器的AVR上得到平均 1172 Bytes/s的加解密速度。 * 编译器: AVR-G-AVR optimization RC6 encryption algorithm (faster, optimizing their thinking definitely worth learning) 128bytes of RAM in the AVR on the implementation of production 16/10/8 (16 bit/10 rounds/8 bytes keys)* for the majority of code optimization of the C language the data related to cycle shift, mode used by other optimization* ASM 4MHz without the multiplier be average AVR 1172 Bytes/s speed encryption and decryption.* Compiler : AVR-G

使用国产CH341A芯片实现USB转串口，完全兼容AVR JTAGICE，可以自动升级。 支持芯片: ATmega16(L), ATmega162(L), ATmega169(L or V), ATmega32(L), ATmega323(L), ATmega64(L), ATmega128(L). 原理图还附加了RS232接口，可以方便用户自主选择串口或USB下载程序。 还附加有可自动升级的HEX文件-The use of domestically produced CH341A chip USB to serial port, fully compatible with the AVR JTAGICE, can be automatically upgraded. Support chips: ATmega16 (L), ATmega162 (L), ATmega169 (L or V), ATmega32 (L), ATmega323 (L), ATmega64 (L), ATmega128 (L). Schematics also added a RS232 interface, can easily users to choose the serial or USB download. Additional there is also automatically upgrade the HEX file

AVR 32 与PC机串口通信程序,proteus仿真通过-AVR 32 and the PC serial communication program, proteus simulation through the

该程序比较好用容易修改，是一个单片机应用类的一个很好的程序。-Comparison of the program easy-to-use changes is a single-chip applications of a good type of procedure.

AVR单片机的C语言开发电子书 ，既可以作为教材使用又可以作为开发人员的查询手册！-AVR C language e-books, can be used as teaching materials can be developed as a manual of inquiries!

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通过AD0809将输入的模拟量转化为数字量， 通过调节电位器来改变模拟电压输入，通过数码管显示电压的变化-Through the AD0809 analog input into digital, By adjusting the potentiometer to change the analog voltage input, digital display voltage changes

进行51单片机主控智能车模块测试时用光电管返回的道路信息控制舵机以一定角度转向。-Intelligent control for 51 single-chip module test vehicle with photocell control to return to the road information to a certain point of gear shift.