arduino编程的wifikiller 使用芯片组为ESP8266 系列（12N/12F等）；可以为外接显示屏，OLED 屏幕IIC接口，VCC-3.3 GUN-G,SDA,SLC接口代码中可随意修改，使用前下载好库文件，arduino库中有。(Arduino programming wifikiller uses chipset as ESP8266 series (12N/12F, etc.); it can be modified for external display, OLED s

PS2手柄与Arduino单片机的配对（和51单片机及stm32连接）(The match between PS2 handle and Arduino microcontroller (connected to 51 MCU and STM32).)