51做的门禁系统代码，有4×4键盘扫描，9346的存储功能，掉电不丢失密码，3重密码防忘记功能...

电力系统多功能电表 CRC校验代码源程序大全，支持以下规约或电表 ALPHA规约,IEC1107规约，DLT645规约，EDMI规约，ION-ModBUS RTU规约，ModBus规约,Quad4规约-Multi-function meter power system source code CRC checksum Guinness, to support the following Statute or the Statute ALPHA meter, IEC1107 statute, DLT645 statute, EDMI statute, ION-ModBUS RTU statute, ModBus statute, Quad4 Statute

用keil便宜代码超过64k的程序例子，用于LPC89C669-use cheaper than 64k code examples of the procedures for LPC89C669

F_Dtecter 单片机频率计 精确度1％以上 -Singlechip F_Dtecter Cymometer more than 1 accuracy

ds18b20测温程序用于51单片机的。C语言编写的-temperature for 51 process ds18b20 SCM. C language

MSP430系列单片机的I2C源程序。可用于对I2C的学习和研究-MSP430 series MCU I2C source. I2C can be used to study and research

该例程是MC9S12DG128中CAN模块开发的实例，对CAN通讯开发人员来说是个很好的参考资料。-The routine is in the CAN module development MC9S12DG128 examples of pairs of CAN communications developers is a good reference.

51单片机写的液晶显示程序（1602），调通的，供初学者参考-51 Single-chip LCD written procedures (1602), tune

两颗51单片机通过串口通信的代码,独有的仲裁机制使得任一颗单片机都能成为主机.-2 51 Single-chip serial communication through the code, unique to the arbitration mechanism allows any host can become a single-chip microcomputer.

DS1302实时时钟的MSP430单片机底层驱动程序 -DS1302 Real Time Clock Driver MSP430 Singlechip bottom