键盘扫描程序，初学者可以拿过来借鉴一下，程序里有详细注释!...

TC35GSM模块操作C51子程序，项目用的，少加修改就可以应用于开发和学习！-C51 subprogram module TC35GSM operation, the project used, less can be used without modification on the development and learning!

这是一个关于ARM9 pcb and sch的压缩文档,希望能给你帮助.-on ARM9 pcb and sch compressed files, in the hope of giving you help.

Avr_atmel_小型OS，编译通过。-Avr_atmel_ small OS, compiler through.

51单片机5045看门狗芯片的代码（通过编程）-51 Single-chip watchdog chip code 5045 (through programming)

Microchip Technology Inc. 的HCS300 是一款跳码编码 器，它是专为安防遥控无钥门禁（RKE）系统而设计 的。 HCS300使用KEELOQ跳码技术，并具有安全性高、 封装尺寸小和成本低等特性。 HCS300 是单向遥控无钥 门禁系统和访问控制系统最完美的解决方案。-The HCS300 from Microchip Technology Inc. is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS300 utilizes the KEELOQ code hopping technology, incorporating high security, a small package outline and low cost. The HCS300 is a perfect solution for unidirectional remote keyless entry systems and access control systems.via any external connection. The EEPROM data is pro-grammable but read-protected. 2006 Microchip Technology Inc.

12864液晶显示程序 带中文字库 可以画图 写汉字 -12864 LCD process

51单片机（汇编）浮点转换及浮点格式说明程序--51 SCM (assembly) floating point conversion and floating point format description.

44键盘多模块演示程序，使用双向双次键扫描技术LCALL INKEY 双向双次键扫描-keyboard module demonstration, the use of the bi-directional bonding time scanning technology LCALL INKEY meeting of the bi-directional scanning Bond

使用C语言编写单片机液晶显示程序，此程序是对于AT89S52单片机的程序源码。只需通过编译来生成HEX文件-Using the C language SCM liquid crystal display program, this program is the program source code for the MCU AT89S52. Simply by compiling to generate the HEX file

这里给出74hc595的c51驱动程序。带锁存功能的串入并出芯片。-Here are 74hc595 the C51 driver. With latch function and a string into the chip.