使用键盘进行喂狗实验 防止死机 51单片机实验通过代码-Feed the dog using the keyboard to prevent the crash test experiments microcontroller 51 through the code

STM32喂狗代码，例程看如何使用STM32喂狗功能-STM32 feed the dog code, routine functions to see how to use the STM32 feed the dog

NXP MPC2300 I2S 音频demo板演示程序-* This Demo program uses a Keil MPC2300 board with * an attached I2S Audio demo board. The daughter board * includes a UDA1341 Audio Chip from NXP Semiconductors. * The UDA1341 is an economy audio CODEC for portable

1、基于stm23f103c8t6的开发板开发，外接rc522读卡板。 2，实现让windows系统把设备认成hid键盘，当刷M1卡时，把4字节的卡号以键盘输入的形式上送到电脑。 3，已在xp，win7系统上测试。把鼠标放在文本输入框中，刷卡，卡号即可显示在文本框中，并回车换行。(1, based on the stm23f103c8t6 development board development, external rc522 read card board. 2, to achieve