lrr

c51单片机的sle4442卡的读写加密验证程序 已通过(c51 microcontroller sle4442 card reader encrypted authentication procedure has been adopted)

说明：  MSP430步进电机模块，可以调节方向以及转速 包括串口控制以及键盘控制两种模式（纯原创）(MSP430 stepper motor module, you can adjust the direction and speed of the serial port control and keyboard control, including two modes (pure original))

电力测量芯片ATT7022b的应用笔记，值得参考(Power Measurement Chip ATT7022b application notes, reference should be)

2-Quadrant AC-DC Conversion using VSC: The Active Rectifier Scheme

MSP430F261x基本模块实验——汇编代码(MSP430F261x basic modules experiment- assembly code)

说明：  kissfft，简单的快速傅里叶变换，重新爱上fft在单片机上的实现。(Kissfft, simplified fast Fourier transform.:))

High Priority Broadcast Receiver extends Result Receiver.

单片机串口接收缓存队列的简单实现，由C语言实现，性能稳定，移植方便可靠！(Microcontroller serial port to receive buffer queue to achieve a simple, achieved by the C language, stable performance, reliable and convenient transplantation! )

关于LPC932的RC522的S50非接触式IC卡程序源码程序，周立功模块配套程序更改，可正常使用(s50Mifare 1)

单片机实现的按键扫描,中断1中断方式实现(MCU key scan, interrupt 1 interrupt mode to achieve)