LCD and digital control with a timer to remind the circuit, assembly language

源程序，及程序运行截图，以及详细的程序说明报告，-source, and running screenshots, and the detailed description of the procedures for reporting, thank you

S2试验板 AT89C51 晶振12M 1-S12控制的数码显示-S2 test AT89C51 crystal plate 12M1-S12-controlled digital display

基于DSP2407的快速傅里叶变换程序，来源合众达DSP例程-fast fourier transform BASED ON DSP

控制道路指示灯的汇编代码-road indicator compiled code

中断程序的一个典型示例，8253，8255，8259的综合应用。-A typical example of interrupt program, 8253,8255,8259 integrated application.

一款非常小的液晶显示屏，适合于便携式设备使用。-A very small LCD screen, suitable for use in portable devices.

模拟银行卡取款操作，银行卡号为8位，能够进行查询、取款、存款、修改密码等操作。查询时需要输入密码，密码为6位。当密码位数和相应位都符合时，显示卡内余额，否则密码三次错误，结束操作。取款时也需要输入密码，密码为6位。当密码位数和相应位都符合时，显示现有余额，输入取款金额，操作结束显示所剩金额，否则密码三次错误，结束操作。限制每天总共可取的金额 ，若违规给出相应的警告。取款操作时输入取款金额 ，操作结束，显示卡内余额，输入密码时，不显示真实值，修改密码时显示真实值。-simulated bank teller card operation, a registered member of the eight to conduct inquiries, withdrawals, deposits, change passwords operation. Inquiries need to enter a password, the password to six. When the median and the corresponding password-meet, showed the card balance, otherwise the wrong password three times, the end of operation. Teller also need to enter the password, the password to six. When the median and password are consistent with the corresponding position, shows that the existing balance of the amount imported withdrawals, the remaining operation ended shows the amount, otherwise the wrong password three times, the end of operation. Limit daily total amount of desirable, if irregularities are given corresponding warning. ATM withdrawals

RS232中断通信-RS232 communication disruption

Basic coding for Digital communication

串口R232协议的了解,懂得如何读取串口的数据,发送数据到串口.-R232 serial protocol understanding, know how to read serial data, send data to the serial port.