ha_Ewb5.0

定时打铃原理图，时钟芯片选择ds1302，可任意设定打铃时间！(Timing the bell ring principle diagram, the clock chip ds1302 choice, can be arbitrary set the bell ring of time! )

LCD显示,只要运行程序可以显示图案，日期和温度(lcddisplay，if you execute that it can display picture,date and tempreture.)

国外一个非常经典的OBD2车辆检测的实例源代码，做相关开发的人员有非常高的参考价值。(Abroad, a very classic example of OBD2 vehicle detection source code, to do the personnel-related development has a very high reference value.)

High Priority Broadcast Receiver extends Result Receiver.

PIC16f84频率计,利用串口直接读取频率数，很方便，里面的代码很简洁(PIC16F84 Frequency counter)

STM8单片机连接CAN芯片 MCP2515 的源码，已经通过工程验证。(MCP2515 CAN chip STM8 MCU connections of the source has been verified by engineering.)

说明：  蓄电池电压检测程序设计说明书，针对汽车电池电压检测，电压不足时报警(Battery voltage detection program design manual for the car battery voltage detection, under-voltage alarm when)

基于nuc900的读以太网程序源代码。可作为参考和移植。(Based on the nuc900 read Ethernet program source code. Can be used as reference and transplantation.)

说明：  基于STM32F429实现以太网应用--LWIP移植(无操作系统)(Implementation of Ethernet Application Based on STM32F429--LWIP Porting (No Operating System))

LPC1788FBD208的protel99SE库（原理图库）文件(the LPC1788FBD208 s Protel99 lib file)