搜索资源列表
23led-1
- 数位时速表，单片机+74254组合20个七节显示器，传输接口RS485-Digital speedometer, a combination of 20 single-chip+74254 seven sections display, transmission interface RS485
RS485_connection_process-for-C51
- 在51单片机上实现RS485通讯，能够实现与上位机的通信-RS485 mode on 51 single, able to communicate with the host computer
485tongxun
- 基于avr单片机atmega8的多机通讯程序，应用rs485总线-Based on avr microcontroller atmega8 multimachine communication procedures, using rs485 bus
rs485tongxin
- 基于rs485的多机通信问题的c语言源程序代码，采用avr单片机编程-Multiple machine based on rs485 communication problems of the c language source code, using avr microcontroller programming
2100
- VB与串行通信编程实例：单片机采用了51单片机，多机通信中采用了利SM2来区分是数据还是地址，效果还可以。其中RS485部分采用了隔离转换电路，采用高速光耦6N137-VB and serial communication programming examples: single-chip microcontroller with a 51, multi-machine communication using Lee SM2 to distinguish the data or address,
2100
- VB与串行通信编程实例：单片机采用了51单片机，多机通信中采用了利SM2来区分是数据还是地址，效果还可以。其中RS485部分采用了隔离转换电路，采用高速光耦6N137-VB and serial communication programming examples: single-chip microcontroller with a 51, multi-machine communication using Lee SM2 to distinguish the data or address,
COMMV10
- 单片机与PLC通讯系列之1，PLC不用编程，里面有各种PLC，除AB，各大流行的PLC但必须带RS232或RS485-SCM and PLC communications Series 1, PLC without programming, there are a variety of PLC, in addition to AB, the major popular PLC but must be with RS232 or RS485
COMMV20-1
- 单片机与PLC通讯系列之2，PLC不用编程，里面有各种PLC，除AB，各大流行的PLC但必须带RS232或RS485-SCM and PLC communications Series 2, PLC without programming, there are a variety of PLC, in addition to AB, the major popular PLC but must be with RS232 or RS485
COMMV20-2
- 单片机与PLC通讯系列之3，PLC不用编程，里面有各种PLC，除AB，各大流行的PLC但必须带RS232或RS485-SCM and PLC communications Series 3, PLC without programming, there are a variety of PLC, in addition to AB, the major popular PLC but must be with RS232 or RS485
485pc-mcu-
- PC+MCU RS485通信 单片机与上位通信-RS485 communication with the host microcontroller communication
1RS23TXB
- 1RS232及RS485串口通信的单片机参考C语言源代 -SCM 1RS232 and RS485 serial communication reference C language source code
RS485control-rain-brush
- 通过RS485的通信方式结合上位机软件，来实现对于雨刷的控制。下位机的为单片机来实现通信的解码和控制。-Through the RS485 communication mode combined with the PC software, to implement the control of wiper.A machine for single chip microcomputer to achieve communication decoding and control.
pressure_modbus
- 多个MSP430单片机采集气体压力，用RS485组网，采用MODBUS通信协议传输数据。-MSP430 MCU collecting multiple gas pressure, using an RS485 network, using MODBUS communication protocol to transfer data.
YIBIAO
- 智能仪表程序，ad7705读写程序，rs485总线接口通讯函数，51单片机程序-Smart meter program, ad7705 literacy program, rs485 bus interface communication function, 51 microcontroller program
HMImaker30
- 介绍工业串口液晶显示触摸屏与人机界面组态软件HMImaker的开发指南，工业液晶显示触摸屏是一种包含TFT LCD显示屏、LCD控制器、触摸屏、人机界面组态软件系统和单片机TTL电平串口，RS232，RS485，以太网等通讯接口于一体的嵌入式智能显示终端。工业串口液晶显示触摸屏技术开发是基于嵌入式控制系统采用FPGA纯硬件驱动显示，无任何操作系统，零启动时间，上电即刻运行，速度和可靠性领先于其他方案。系统配套自主研发设计的，具有知识产权保护的人机界面组态软件HMImaker设计界面，可“所见即所
C1
- cry602，液晶显示字符串，串口助手通过rs485发送数据，传给单片机msp430，显示到液晶上-cry602, LCD string rs485 transmit data via serial assistant, passed SCM msp430, displayed on the LCD
rs485_modbus
- 基于rs485通讯的avr单片机modbus通讯源码，有01和03功能,对于初学者有一定的帮助-modbus communication code of avr mcu base on RS485，it has the function of 01 and 03, it will be helpful to beginer.
CRC
- 在用单片机写通信程序是，如红外通信，RS485，MAX232等，串行发送数据的时候回出现发送和接收到的数据不一致，这时候就需要校验，CRC校验是一种快速有效的方式-In written communication with the microcontroller program is as infrared communication, RS485, MAX232, etc., when the serial transmit data back to the emergence of send
danpianjiyu-PLC
- 单片机（stc89c52）通过RS485与PLC通信，采用modbus协议，利用单片机闲置的一个管脚置高或低，来判断出现单片机程序执行的情况。硬件连接比较简单，单片机通过485的A/B端连接到RS485/RS422，RS422连接但PLC。这个就是.c程序不是工程文件，下载后自己建立个keilC工程就可以了。-SCM (stc89c52) via RS485 communication with the PLC, using modbus protocol, using SCM idle a
232
- STC90C51单片机系统,采用C程序编程,该程序用于日RS485通讯,PC-从站.-STC90C51 SCM system using C programming, the program for the day RS485 communication, PC- slave.