shumaguan-play

新中新小一卡通标准对接服务SDK，拥有它完全可以自行定制业务软件(The Synjones ConCard TPE SDK)

stm32学习 十三：RS485总线的使用 十四：TFT屏的图片，中文和字符显示(stm32 learning 13: RS485 bus use 14: TFT screen pictures, Chinese, and character)

基于DS18B20+DS1302+lcd1602+MSP430的温度时间综合测量(temperature and time measurement based on MSP430,DS1302,DS18B20,LCD1602)

通过实现简单的线性反馈移位寄存器（LFSR），理解LFSR的工作原理、本原多项式重要意义(By implementing a simple linear feedback shift register (LFSR), to understand the working principle of LFSR, primitive polynomial significance)

TDC-gp21超声波时间测量，用于热表中测量逆流与顺流的时间，进出口温度以及高速晶振的校准 基于430开发，开发环境 IAR5.1(TDC- gp21 ultrasonic measuring time, time for heat measurement of upstream and downstream in the table, the import and export temperature and the calibration of high-speed crystals Based on the 430 development, IAR5.1 development environment)

direct sparse solver for linear equations

单片机 8051 C语言 温度传感器DS18B20(SCM 8051 C language temperature sensor DS18B20)

51单片机的4x4键盘扫描c语言程序，大家看看，(51 single-chip 4x4 keypad scan, we look)

倒计时倒计时板，可以实现倒计时主题修改，时间设置等功能(dajishi)

CodeWarrior仿真与调试要点，CodeWarrior仿真与调试要点，CodeWarrior仿真与调试要点(CodeWarrior simulation and debugging points, CodeWarrior simulation and debugging points, CodeWarrior point emulation and debugging)