simple-os-

单片机上的java虚拟机 用winavr 编译(Single-chip on the java virtual machine used to compile winavr)

本程序为完整的用GT911芯片设计的触摸屏程序，可以供开始设计触摸屏的一个很好的参考，值的收藏(This program is complete with the GT911 chip design touch screen program, you can begin to design a touch screen for a good reference value of the collection)

超声波测距资料(HC-SR04)_TB参考文档及原理图源程序(Ultrasonic Ranging Data (HC-SR04) _TB reference documentation and schematic source)

Automatic control precision of SDT algorithm

基于STM32F103C8T6单片机设计的直流无数电机，速度闭环，经过调试了的，没有问题，对初学者很有借鉴作用(STM32F103C8T6 microcontroller based design of DC numerous motors, speed closed loop, after debugging, no problem, very useful for beginners)

说明：  基于51单片机红外遥控智能小车（原理图、PCB、遥控器控制程序、实物图）(ntelligent car based on 51 microcontroller infrared remote control (schematic diagram, PCB, remote control program, physical map).)

基于STM32的12864驱动程序，可以实现字符、数字、图片、任意直线和任意点的显示，并且有程序详解，很任性(Based on the STM32 12864 driver, you can realize the characters, numbers, pictures, any line and any point of the display, and a program explain, very headstrong)

说明：  正点原子STM32F103精英板按键外部中断例程(Punctual Atom STM32F103 Elite Panel Key External Interruption Routine)

这本书介绍了数字应用的底层电路设计的理论及实验程序，非常有用，是一本很好的工具书。(This book describes the application of the underlying digital circuit design theory and experimental procedures, very useful, is a good tool.)

ns2_zigbee ========== Performance evaluation of Zigbee based on NS2 This repositories includes the codes of my undergraduate thesis. 1. zigbee.scn: network topology in 3D 2. zigbee.tcl: network script written in tcl 3. thr_drop_delay.awk: eualuation script written in awk 4. data: results of delay, throughput, jitter, and packet loss rate 5. out: figures of results 6. demo: demos of nam 7. thesis How to 1. make sure zigbee.scn and zibee.tcl are in the same folder 2. cd to the folder by terminal 3. run ns zigbee.tcl 4. run awk -f thr_drop_delay.awk zigbee.tr 5. run gnuplot xxx.dat