The highest frequency with a digital LED display 9999

无线传感器节点源代码，采用ATMEGA128控制CC1000.-The source code for wireless sensor nodes, using ATMEGA128 control of CC1000.

美国达拉斯温度传感器DS18B20的温度数值转化程序。-Dallas DS18B20 the temperature into numerical procedures.

MCS51单片机的宏汇编器源程序-MCS51 the macro assembler source

MCS-51智能反编译器。可将51单片机的bin或hex文件反编译为汇编码。仅用于学习用途，否则后果自负。-MCS-51 Intelligent compiler. May 51 SCM bin hex or documents compiled for the Department of Anti-coding. For learning purposes only, otherwise the consequences conceited.

关于电路设计的几点经验，从原理设计到实际应用，对一些个问题、经验综述-Points on the circuit design experience, from design to practical application of the principle of some question, synthesis of lessons learned

AT89C51的有关语音芯片-isd4004的驱动程序-AT89C51 voice chip on the driver-isd4004

16c552驱动程序，两个穿口+1个并口的驱动程序-16c552 driver, two I wear a parallel port drivers

DOS下读写AT24C512源码,自己开发-AT24C512 DOS source code to read and write, their development

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.

基于89S52单片机的4位LED显示，定时程序，定时器初值可以在程序中修改。-89S52-based MCU four LED display, the regular procedures Initial timer in the process of change.