MATLAB

usb-sd卡-tf卡-U盘等方案开发手册，从网上收集的，包括原理图和程序(usb-sd card-tf the Card-U disk program development manual, collected from the Internet, including schematics and procedures)

用STM32做从机，PC机做主机的MODBUS多机通信实验。内附简单的使用说明(MODBUS slave EXP。PC use to master and MCU use to slave.)

说明：  stm32汉字输入用的字库，可写汉字，亲自测试可以写各种字体(Stm32 Chinese Character Input Library, Writable Chinese Characters)

51单片机开发仿真图，有图有真相，不相信就自己看，很好的，不骗你(happy new year)

对PID的学习从入门到精通吃透，有助于初学者快速学习掌握(For PID learning from entry to master fully digested, to help beginners learn to master)

温度传感器18b20用C51控制，可以实现功能。操作简单，程序易懂适合入门(Temperature sensor 18b20 with C51 control function can be achieved. Simple, easy to understand procedures for entry)

说明：  通过使用STM32F407内部的ADC资源，开发出的一款简易版示波器，能够识别并画出波形，显示频率、幅值等要素，可以调Time ，VPP level等。代码简单易读。(By using ADC resources in STM32F407, a simple version oscilloscope is developed, which can recognize and draw waveforms, display frequency, amplitude and other elements, and adjust time, VPP level, etc. The code is easy to read.)

Multi-chip communication can be used to see it(Multi-chip communication can be used to see it )

矩阵键盘密码锁+简易计算器，C52的单片机平台，C语言开发，适用于初学学习。(Matrix keyboard lock+ simple calculator, C52 MCU platform, C language development, suitable for beginners to learn.)

an important eBooks for the basic ideas and advanced concepts of the Cognitive radio Networks . These eBooks are not free and I uploaded them for help other researchers and students.