RS485 communication

C51 USB1.1开发源码及相关开发工具和文档，以及USB接口芯片资料-C51 USB1.1 open source and related development tools and documentation, as well as information on the USB interface chip

天祥的所有pic 源程序，非常适合初学者，学期起来，简单容易。-the program，is pic initial learner，is very helpful，i think you，study，this program，is，good

基于单片机的数字温度计，由DS18B20采集温度-Based on single-chip digital thermometer, temperature acquisition by DS18B20

电子点阵显示器（8*8）.-。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

步进电机步距角细分的单片机控制系统设计和研究,主要是设计方案-stepper motor step angle breakdown of the single-chip microcomputer control system design and research, the program is designed

设计分为5 个模块：前轮PWM 驱动电路、后轮PWM 驱动电路、轨迹探测 模块、障碍物探测模块、光源探测模块。前轮PWM 驱动电路用于转向控制；后 轮PWM 驱动电路用于方向和速度控制；-Design is divided into five modules: front-wheel drive PWM circuit, rear-wheel drive PWM circuit, the track detection module, obstacle detection module, detecting the light source module. PWM drive circuit for front-wheel steering control rear-wheel drive circuit for PWM direction and speed control

使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit

ISD2560语音芯片在排队机系统中的应用-ISD2560 voice chip in the Queue System

涉及51单片机上LED灯，按键，等相关应用的编程-Involving 51 Single Chip LED lights, buttons, and other related application programming

单片机4*4键盘与LED数码管的显示，按下键盘显示相应的字符（1，2，3...A，B...E）-none