WatchDog

说明：  ＭＳＰ４３０Ｆ４４９的硬件乘法器操作IAR Practice code(MSP430F449 hardware multiplier operation code IAR Practice)

hook ssdtShadow影子描述表，采用普通的ssdthook；(hook system description table, ssdt table)

51单片机片上串口控制GPRS模块。用KEIL 软件调试成功。(51 MCU on-chip serial port to control the GPRS module. KEIL software debugging success.)

电脑鼠底层驱动，能实现曲线转弯，速度快，很平稳(Computer mouse driver, can realize curve curve, speed, very smooth )

串口与pc机通讯，51单片机例程，只需要修改io口即可实现。(Serial communication with pc, 51 MCU routine, you only need to modify the io port can be realized.)

51单片机加1602显示计算器C语言源码 可以实现加减乘除，有负数计算 (51 MCU plus 1602 display calculator C language source code Can have negative calculation add, subtract, multiply and divide.)

BH1750FVI光照度传感器在12864液晶上的显示(BH1750FVI light sensor on the 12864 LCD display)

说明：  zigbee document upload 23/7/2019

反应测试仪，测人的反应速度，精确到几百毫秒！通过按键测试！(Reaction tester, measuring people' s reaction speed, accurate to a few hundred milliseconds! Through the key test!)

串口发送数据，字符，12864接受并显示字符(Serial port to send data, the character, to accept and display the character 12864)