该程序为51单片机做的频率计,可计频率可达999 HZ.

在keil c51 环境下利用中断方式查询 键盘并实现键值查询等功能-Keil c51 environment in the use of the keyboard interrupt inquiries and realize the functions of key inquiries

座机电话短信发送源代码，座机按键号码获取，以及分类应用！-ace telephone messages this source code, ace number keys acquisition, classification and application!

基于飞思卡尔16位单片机的的串行通信SCI程序-SCI code

单片机的程序 8路输入模拟信号显示电路的设计-Microcomputer Program eight input signals to analog circuit design

超声波测距模组使用说明书 电路图 程序 绝对有参考价值 -Ultrasonic Ranging Module Manual Schematics procedures have absolute reference value

C51源代码，详细单片机C语言源码！包含大量C语言源程序。-C51 source code, detailed single-chip C language source code! Contains a large amount of C language source code.

8051运算类子程序，包括双字节乘法子程序、多字节数乘10子程序、多字节无符号数出除法子程序、多字节ＢＣＤ码减法子程序、多字节ＢＣＤ码取补子程序、多字节ＢＣＤ码左移十进制一位（乘十）子程序。-8051 subroutine computing category, including double-byte multiplication subroutine, multi-byte count by 10 subroutines, multi-byte unsigned number of the division subroutine, multi-byte BCD subtraction subroutine code, code access multi-byte BCD complement subprogram, multibyte BCD code to the left of a decimal (by ten) subroutine.

c8051f020单片机Flash存储器AD45DB081-C8051f020 MCU Flash memory AD45DB081

atm89的键盘中断方式控制 附带proteus仿真 -atm89 keyboard interrupt control incidental Proteus Simulation

STM32F103 cortex-m3 can总线例程-STM32F103 cortex-m3can bus routines