Keil C51中文使用手册

GSM通讯的C语言源程序代码，能够实际应用，需用户自行修改-GSM communications C language source code, the practical application can be user modified

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.

51单片机的FIFO(先入先出)循环队列实现-51 SCM FIFO (first-in-first out) Revolving Queuing

基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.

超声波程序分体式超声波发射接收对管 型号：TR40 频率：40K T是发射 R是接收 -Ultrasound procedures ultrasound split launched on the possession receiver models: TR40 frequency: 40K T is launching R is the receiver

RS232单片机程序，使用中断与电脑进行数据传输-RS232 single-chip, the use of interrupted data transmission and computer

51的键盘扫描程序,与原来的扫描方式不同,这种方式可以处理多键同时按下.-51 keyboard scanning procedures, with the original scan different ways, this approach can handle multi-button pressed together.

arm lpc2132 driver for GPIO_LEDs8_IOPIN

STC89C58RD+系列从应用程序切换到isp程序-STC89C58RD+ Series from the application process to switch to the isp

DS18B20温度优越感器程序，是1WIRE的接口，可以学习这种接口的程序。-DS18B20 superiority temperature program is 1WIRE interface, this interface can learn the procedure.