psp游戏机上的SDK的开发例子，包括了2D,3D图形界面开发，声音的开发，WiFi，USB,debug串口，文件读写，sony光盘的读写-psp games on the development of the SDK examples, including 2D, 3D graphics interface development, Development of voice, WiFi, USB, serial debug, document literacy, sony CD-writabl

基于arduino电子平台的3D打印机的控制代码，将程序编译完成之后生成.hex文件烧写到arduino电路板的单片机中，即可控制3D打印机的运动。-Arduino based electronic platform 3D printer control code generated after completion of the program is compiled. Hex file programmed into the arduino microcontroller board, yo