SD2403A clock chip in the source code under the STC in this single

手把手教你学单片机（第2版）实验程序，原书代码，内有部分是我练习时的代码，可以参考。-Taught you how to learn SCM (version 2) protocol, the original letter code, in some code when I practice, you can refer.

倒计时器 A51源程序 -countdown for A51 source

关于CY68013 USB2.0批量速度的测试程序,感兴趣的可以下载看看.-CY68013 USB2.0 speed on the bulk of the test procedure, interested can download and see.

16X16点阵电子显示屏汉字的显示源程序，在keil环境下使用普通单片机实现。-16X16 dot matrix display source electronic display Chinese characters in keil environment, the use of ordinary MCU.

SAMSUNG S3C6410 CPU BSP for winmobile6-SAMSUNG S3C6410 CPU BSP for winmobile6

51单片机写得MODBUS协议程序，可以实现寄存器得读写等操作-51 Singlechip written procedures MODBUS protocol, you can realize a read and write registers, such as operating

基于HS108设计的红外水位检测仪，内含C源代码，原理图及PCB，稍作改动可以用于很多位置检测场合如油泵位置检测等。-HS108-based design of infrared detector water containing C source code, schematics and the PCB, to make a minor amendment can be used for position detection in many occasions, for example, pumps and other position detection.

环境测试仪礼包 环境测试仪礼包-Environmental testing environmental testing kit bag

ICCAVR编写128*64液晶程序测试已经通过-ICCAVR the preparation of 128* 64 LCD testing procedures have been adopted

三。对于进入密码锁的钥匙，假设复位后8个LED全亮，并使用sw1、sw2、sw3 3，然后sw2-> sw1-> sw3-> sw1，则表示解锁右侧会导致8个LED全暗。