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485mcu
- 基于485的51单片机多机通讯程序，其中包括步进电机的控制，液晶屏幕驱动。
ZONGXIZN
- 本程序利用51单片机来实现485总线现场监测系统，包括相应的电路图。-This procedure using 51 single-chip to achieve 485-site monitoring system, including the corresponding circuit diagram.
rs485
- Source Code in C language for microcontrollers of 51 family to implement serial communications based on RS-485 protocol.
Classic_Software_Collection
- 经典程序收集 1.异步通信软件模拟 2.基于RS-485的多机通信 3.I2C总线协议的软件实现 4.SPI总线在单片机系统中的实现 5.单总线技术 6.FLASH存储器K9F6408U0A的控制 7.IC卡程序 8.PS2键盘的设计 9.矩阵式键盘的锁定 10.利用HT16XX实现段式液晶显示 11.利用SED1520实现点阵显示 12.利用HD66421实现灰度字符显示 13.CRT显示器在单片机系统中的应用 14.微型打印机在单片机系
Serial
- 51系列单片机485通信经典测试程序，对初学者有很大帮助-51 Series single-chip communications 485 classic testing procedures are very helpful for beginners
MCU51DE485
- 采用485总线来实现多个51单片机的通信，语言是汇编程序-Used to achieve more than 485 bus 51 MCU communication language is assembler
51danpianjitongxin
- 改文件是51单片机的通信内容及程序，其中包括应用RS-232及RS-485与上位机的通信，也可以与PC机进行通信。-Changed files are 51 single-chip communication content and processes, including the application of RS-232 and RS-485 communication with the host computer can also communicate with the PC machi
458
- 采样51单片机，控制485通讯模块，作为下位机使用，不会主动发送请求操作-Sample 51 MCU control 485 communication module, as the next bit machine to use, does not take the initiative to send the requested operation
communicate_project
- 这是用51单片机写的基于485通信的双机聊天示例，你可以通过这个例子学习485的通信，数据芯片的扩展，同时你也可以在这个基础上扩展功能实现多机通信...(过程有详细说明)-It s a example for 51SCM of 485-chip study，there are many Details about it,I think it is good things for you.
PWMPP3^4PT0
- 51单片机PWM输出示例，可以通过串口发送数据控制占空比，串口采用485通信来控制，PWM输出范围为0-5V，精度为0.1V。PWM的频率由定时器T1来控制。-51 single-chip PWM output example, you can control the duty cycle to send data through the serial port, serial port to control the use of 485, PWM output range of 0-5V, p
51_max485
- 平台为KEIL+PROTEUS，PC与MCU交互，其中v2版本为直接，v3版本为RS485连接，"说明"中有测试指令-Platform for the KEIL+ PROTEUS, PC interact with the MCU, which is directly v2 version, v3 version of the RS485 connection, " Help" in the test instructions
RS485communication
- 在keil—vision3中开发的51单片机程序实现485通信原理485 与 232 使用相同软件协议，是半双工，需要有2套开发板对发测试，或者使用另外一个485设备配套，这里提供测试程序-Developed 51 microcontroller program in keil-vision3 achieve 485 Communication Theory 485 and 232 use the same software protocol is half-duplex, two sets o
MCU-modbus
- 在51单片机上串口服务器，实现Modbus协议栈，支持232和485链路，并将单片机串口扩展至5个。-51 single-chip serial servers, Modbus protocol stack to support the 232 and 485 link, and single-chip serial port expansion to 5.
modbus51
- 基于51的485通讯实现，modbus协议，中断实现方式，具体参数波特率9600，8位，1位结束位，偶校验-Based on 51 485, RTU, modbus protocol checksum, interrupt implementations, the specific parameters of the baud rate of 9600 bits, 1 stop bit, even parity
selfwrite_485protocal
- 基于freeModbus架构，加入事件驱动机制，用于51单片机的485通信协议框架-Based architecture of freeModbus to join the event-driven mechanism for the 51 single-chip 485 communications protocol framework
PTZ_89C51_D
- 云台镜头控制板的源程序，采用89C51单片机，C语言源代码，实际测试通过。 环境STC51单片机配11.0592晶振，支持协议pelco-d，采用485和RS232均通过测试，2400BPS。地址码按默认1.**是51芯片上的程序可不是电脑PC上的控制程序。测试用电脑上和用监控键盘均可以控制。编译通过Keil_C.-PTZ control panel source 89C51 microcontroller C language source code, through the actual t
max485-uart
- 基于51单片机的485通信，处理交通车流量-485 based on 51 single-chip communication, dealing with traffic traffic flow
mcu-code
- 利用51单片机通过485总线发送控制信号给从机，控制交通灯的显示，倒计时等操作。-With 51 single-chip 485 sends control signals to the slave display, countdown operation, control traffic lights.
51_RS485
- 51单片机485通讯，长距离读写数据。程序仅供参考。-The 51 MCU 485, long-distance reading and writing data