基于51系列单片机的串口通信测试程序，希望对大家有帮助

用单片机构成高精度PWM式12位DA，网上下的，很实用。-with high accuracy microprocessor PWM 12 DA, the Internet and practical.

智能巡线绕障小车的设计，采用51单片机，超声波测距。-Impaired wound smart patrol car design, the use of 51 single-chip, ultrasonic ranging.

本代码是本人毕设所做的GPRS数传系统的软件部分，实现了PPP，UDP，IP协议的分层和打包，实现了嵌入式设计中的UDP/IP协议栈-the code is completed, I set up the GPRS data-transmission system software, to achieve the PPP, UDP, IP protocol layering and packaged to achieve the design of embedded UDP/IP protocol stack

单片机与语音芯片接口程序，C代码，简单使用。-SCM and voice-chip interface program, C code, simple to use.

嵌入式系统ucos如何移植到c51单片机，重点解释了局部变量的覆盖问题和函数的再入性问题。-Embedded System CENTER how to transplant c51 microcontroller, explained the focus of the coverage of local variables and function of reentry issues.

基于89S51芯片开发的篮球倒计时系统,开发环境KEIL,仿真环境PROTUES-89S51 chip based on the development of basketball countdown system, development environment KEIL, simulation environment PROTUES

超声波测距模组使用说明书v1.0.pdf-Ultrasonic Ranging Module Manual v1.0.pdf

msp430的SPIT通信程序 绝对可靠已经验证-SPI of msp320

SCM MarqueeSCM MarqueeSCM MarqueeSCM MarqueeSCM 51狙击手

单片机课程设计报告－－数字温度计系统设计-SCM curriculum design report-- Digital Thermometer System Design