Matrix-keyboard

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)

步进电机驱动，四相五线步进电机控制的测试程序，C51编写，读者可稍加修给即可应用(Stepper motor driver)

51单片机的串口通信程序，来自于开发板，VC环境下编写。(51 the Serial communication program, and from the development board, VC environment prepared.)

关于一个滑块显示的程序，可以通过滑块调整实现各种功能(About a slider and its function)

说明：  ＭＳＰ４３０Ｆ４４９的硬件乘法器操作IAR Practice code(MSP430F449 hardware multiplier operation code IAR Practice)

超再生遥控-遥控步进电机正反转AB的程序(Superregeneration Remote- remote control stepper motor program AB)

红外的收发测试。。通过2路红外发射，顺序接收，检测收发功能是否正常(Infrared transceiver test. . 2-way infrared transmitter, received out of sequence detection transceiver function is normal)

自己画的四轴飞行器，原理图，pcb。。。。。。。。。。。。。。。。。。。。。。。为了20个子，我真的不容易(Own painting Four aircraft, schematics, pcb)

STC12C5A60S2电子负载全部代码,TM7705做AD TM8211做DA(STC12C5A60S2,TM7705AD TM8211DA)

DMM-32x-AT 板卡AD 测试程序(program for AD test of board DMM-32x-AT)