单片机在使用KEIL调试时如何在STARTUP.a51里设置寄存器的源码.

低成本m48+热敏电阻做多路温度报警装置显示和音乐！

如文件名，在LPC2138上的I2C的Master发送接受测试程序。里面的readme.txt（英）有详细说明。-If the file name, in the LPC2138 on the Master send I2C tested procedures. Inside the readme.txt (British) has a detailed description.

单片机简易频率计。包含有Proteus仿真程序-Simple single-chip frequency counter. Proteus simulation program contains

USB2.0原理与工程开发光盘，包含源代码。-USB2.0 principles with the development of CD-ROM project, including the source code.

该项目是用三态分时扫描法驱动法实行控制12×48个发光二极管的驱动，并实现串口通讯，内附原理图，程序，DATAsheet-The project is using three-state time-scanning method driven control of 12 × 48 LEDs of the drive, and the serial communications, containing schematics, procedures, DATAsheet

16位10进制除法程序，KEIL51编写，适合单片机运算-16 10 M division procedures, KEIL51 prepared for single-chip computing

只能车控制主程序，控制各种硬件，单片机为飞斯卡尔9s12-Vehicles can only control the main program to control a variety of hardware, microcontroller Scalfaro to fly 9s12

一种实时操作系统，80年代由美国人开发的，经过数十年的考验，已成功应用于成千上万的产品中-a rtos for mcu!

基于51单片机的I2C通信程序，可以顺利实现I2C通信-Based on 51 MCU I2C communication program can be successfully I2C communication

由51单片机与12864组成 俄罗斯方块游戏程序 keil工程 -From 51 single-chip component and 12864 procedures keil Tetris game works