measure coin used 89c52, which use two Timers

非常方便使用的ds1302程序。使用时，只需调用5个函数，即可完成1302的初始化，读写等-Ds1302 is very easy to use program. Use, simply call the 5 function, 1302 to complete the initialization, reading and writing, etc.

在电话上用单片机来实现电话报警系统-a phone alarm system develop by MCU on phone line

这是原创的基于PIC16F877A单片机的读SD卡文件系统程序源代码-This is the original PIC16F877A microcontroller-based SD card file system read source code

430中149单片机的ADC使用源码，测试通过-430code

麦迪工作室51单片机开发板键盘的驱动代码。设计了抬键监听机制，防止一次按键多次触发。-Madison Studio 51 MCU development board keyboard-driven code. Designed to raise key monitoring mechanism to prevent a key trigger several times.

用单片机实现计时器，并将数字用八段四位数码管显示出来-With MCU timer, and four figures with eight digital tube display

--- -initial--- - MOVLA 00H IODIR PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STATUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2 ----------------------- MOVLA AAH 写入RAM的数据 MOVAM 08H MOVAM 09H MOVAM 0AH MOVAM 0BH MOVAM 0CH MOVAM 0DH MOVAM 0EH MOVAM 0FH MOVAM 10H MOVAM 11H MOVAM 12H MOVAM 13H ------------ MOVLA 00H IODI R PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STA TUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2----------------------- MOVLA initials into the RAM data MOVAM 08H MOV 7 AM MOVAM 0AH MOVAM 0BH MOVAM 0CH MOVAM 0DH MOV AM 0EH MOVAM 0FH MOVAM 10H 12H MOVAM 11-H MOVAM MOV AM 13H

STC89C58RD+系列从isp程序切换到应用程序,觉得有点用的可以下来-STC89C58RD+ Series from the isp switch to the application procedures, can be used a bit down

msp430f169 中断方式驱动独立键盘-msp430f169 separate keyboard interrupt-driven

用于两单片机利用串口通信。有完整的原理图、仿真、程序。-For the use of two single-chip serial communication. A complete schematic, simulation, process.