chuankou

波形发生器,很好的波形发生器，我珍藏的版(Waveform generator, a good waveform generator, the version of my collection)

4*4键盘课件，包含电路图，教学方法、教学目标(4* 4 keyboard courseware, including circuit)

RC522 SPI接口的51单片机程序例程(RC522 SPI)

19264液晶源码,改一下引脚直接用51就可以测试了，KS0108通用，亲测可用(19264 LCD source code, change the pin directly with 51 can be tested, KS0108 universal, pro test available)

RN8209C及D初始化及UART通讯参考程序(RN8209C and D initialization and UART communication reference program)

PIC16F877单片机18B20项目文件(PIC16F877 microcontroller project file 18B20)

radiusplugin_v2.0a radius服务器验证文件(radiusplugin_v2.0a radius server)

秒表程序，从0-60秒，有3个按键，启动，暂停，复位 带仿真和c51源码(second count program.It has three buttons.there are start pause,reset program. proteus and c51)

常见硅钢片的BH曲线，即磁化曲线，可以用于电机设计或者变压器设计。(BH curve common silicon, namely the magnetization curve can be used to design the motor or transformer design.)

51单片机NRF24L01发送程序。基于STC89C52芯片，使用IO口模拟SPI串口实现数据传输，控制NRF24L01 2.4GHz无线模块发送数据(51 single chip NRF24L01 sending program. Based on STC89C52 chip, using IO port analog SPI serial port to achieve data transmission, control 2.4GHz NRF24L01 wireless module to send data)