此为按键部分的,读取按键值是否有按键判断部分函数

这里是几个c51延时小程序,希望各们同仁多指教.-c51delay

s24193 液晶ARM，8051驱动程序！-s24193 LCD ARM, 8051 driver!

lcd common driver with mcu

一个完整的用51单片机控制温度传感器采集并显示的程序，温度传感器选用DS18B20，显示器为1602-An integrated temperature sensor with 51 control procedures for collecting and display, temperature sensor selection DS18B20, display for the 1602

使用MSP430f247芯片内的ADC12模块实现单通道动态采集外部电压-MSP430f247 chip using the ADC12 module realize single-channel dynamic collection of external voltage

nrf24e1有关PWM的源码程序，通过keil c验证，在相应的开发板上调试运行过-nrf24e1 the PWM of the source program, verified by keil c, in the corresponding development board debug run-off

日立H8/300H Tiny、H8/3664系列单片机编程 日立H8/3664系列单片机是使用H8/300H高速处理器并以其为核心设计的单片机，为了配置一个系统需要许多外部功能模块。H8/300H高速处理器使用与H8/300处理器兼容的指令系统。 日立H8/3664系列单片机有4个定时器，一个 总线接口，两种不同类型的串行总线 接口，一个A/D转换器，一组I/0接口。本产品适用于高级控制系统的嵌入式应用。 日立H8/300H Tiny 系列（H8/3664系列）使用说明书包含了一组使用H8/3664系列单片机外部功能的具体实例，可供用户在设计硬件及软件产品时参考。-Hitachi H8/300H Tiny, Series H8/3664 H8/3664 microcontroller programming Hitachi microcontroller series is the use of high-speed H8/300H and subject to the processor core microcontroller design, in order to configure a system needs many external modules. H8/300H use of high-speed processors H8/300 processor compatible with the directive system. Hitachi H8/3664 microcontroller series with four timer, a bus interface, two different types of serial bus interface, an A/D converter, a group I/0 interface. This product applies to senior control systems embedded applications. Hitachi H8/300H Tiny series (H8/3664 Series) instruction manual contains a team to use H8/3664 Series MCU external function of spe

用单片机蜂鸣器实现911报警声音，采用中断延迟实现输出频率的变换。-Used to achieve single-chip buzzer 911 sounds, using interrupt latency to achieve an output frequency of transformation.

利用UP-NETARM3000 嵌入式实验平台上的A/D转换器、直流电机、LED和LCD模拟车辆的里程表盘系统。A/D转换器模拟汽车的油门和变速系统；直流电机模拟汽车发动机；LED显示车辆总里程数；LCD模拟当前车辆的速度-UP-NETARM3000 using experimental platform embedded A/D converters, DC motor, LED and LCD odometer vehicles simulated disk system. A/D converter analog throttle and variable-speed motor vehicle system DC motor simulation of automotive engines LED display gross vehicle mileage LCD analog current vehicle speed

Proteus下件一个案例（51单片机，c51工程文件及完整源代码）