PN532-master

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))

msp430g2553利用定时器产生多路可调占空比PWM(Make PWM by MSP430G2553.)

单片机学习的好资料，希望能帮助到需要的朋友(Single-chip learning good information, hoping to help a friend in need)

说明：  数字滤波器，AD采样的值进行数字滤波，得到较理想的值(Digital filters, AD sampling the value of the digital filter, to be more ideal value)

原创代码，实现了ENC424j600底层的基本驱动，初始化，读写函数。可以直接试用(Original code and achieve ENC424j600 underlying basic drive, initialize, read and write functions. Can try)

51单片机串口调试程序一列,希望对大家有用(51 Single-chip serial debugging a program, in the hope that useful to everybody)

包含了C8051的基本例程，如流水灯，IO口控制，蜂鸣器，串口通信等(C8051MCU example programs)

说明：  常见的单片机操作，IO，中断，定时器，低功耗模式等(io, interrupt, timer, low power mode and so on)

这本书介绍了数字应用的底层电路设计的理论及实验程序，非常有用，是一本很好的工具书。(This book describes the application of the underlying digital circuit design theory and experimental procedures, very useful, is a good tool.)

程序主要为三相计量芯片RN8302B驱动校正程序。其中涉及到液晶驱动芯片bu9792的使用，i2c,spi协议芯片的运用。并且包含RN8302B官方程序及原理图，芯片手册，芯片应用笔记。(Which involves the use of LCD driver chips bu9792, i2c, spi protocol chip use. And contains RN8302B official program and schematic, chip manuals, application notes chip.)