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基于51单片机的电子密码锁设计，完整的文档。(Based on 51 single-chip electronic code lock design, complete documentation.)

无线通讯nrf905，很适合初学者来学习，里边包括了对射频寄存器的设置什么的(Wireless communication nrf905, it is suitable for beginners to learn, inside contains the settings for RF registers what)

pca 用于定时器功能 pca可用于捕捉，定时，pwm输出等功能(pca pca can be used to capture, timing, pwm output for timer function)

凌阳8202L源程序，用GCCL2，用DOS的命令符设置好编绎环镜按1 16即可。(Sunplus 8202L source, with GCCL2, with the DOS command character set compiled by Yi 1 16 to loop mirror.)

This program is a simple water-saving irrigation pipeline hydraulic calculation, although small, but still more applicable,

学会NI-DAQmx中的十个函数解决80 的数据采集应用问题 。Labview语言编写。(Learning NI-DAQmx ten functions to solve the 80 problems of the data acquisition applications, whitch is written by labview language.)

C++实现的M95M02 SPI FLASH芯片的操作封装，能够很好的用到自己的程序中，无需修改(C++ M95M02 SPI FLASH chip operation package, can be very good use of their own procedures, without modification)

使用DS18b20温度传感器采集温度的数据，感兴趣的可以尝试一下啊(Using DS18b20 temperature sensor to collect temperature data, interested can try it.)

msp430f149的电器原理图，学习该单片机的必备资料(msp430f149 electrical schematics, learn essential information on the microcontroller)

基于51单片机 DDS 的信号发生器设计 （有源代码）(51 MCU-based design of DDS signal generator (source code))