搜索资源列表
duojitongxin485
- AVR多机通讯的485演示程序，对于初学者很有用的资料。-Multi-machine communications AVR demo program 485, for very useful information for beginners.
rotate
- 基于MSP430的风机状态监测板原理图 使用485通讯，利用继电器实现对风机的关断和开启-MSP430-based fan condition monitoring board schematics using 485 communications, the use of relays to achieve the turn-off fan and open the
VB
- VB编写的基于645规约的电表行业485通讯抄表程序，可以进行485总线抄表，645规约测试。技术要点就是对规约数据传输协议的处理，如向电表发送数据时的控制码和数据长度、发送的数据部分包括数据标识 + 密码 + 数据、应答帧长度、结束标志等通讯协议的处理值得学习。 -VB prepared the Statute based on the 645 meter 485 meter-reading process industries can be carried out 485 meter, 64
USBto485
- USB转485 USB转485 -USB to 485USB to 485USB to 485
107215820485_source
- 485通信的源程序，可以对大家很有帮助的-Communications source 485 can be helpful for everyone
LB80G_PAN_03.17
- 单片机控制面板程序，具有4个8位数码管显示以及8个按键控制下的面板菜单功能，采用485通讯方式。-Single-chip process control panel with four 8-bit digital tube display and 8 keys under the control panel menu functions, the use of 485 means of communication.
dds
- 符合645规范的单相485液晶普通电子式电能表，带红外抄表功能。-645 in line with the norms of ordinary single-phase 485 LCD Electronic Energy Meter, meter-reading function of the infrared band.
c2
- 单片机开发的程序，是进过485串，由单片机控制数码管显示数字，并能一定频率抖动-mcu controlls the display,data is transmitted by 485
2006122022141110281
- 本文详细地介绍了如何从RS-232信号线上高效率地产生电源 如何实现RS-232 接口与RS-485/RS-422接口的智能转换 同时 也给出了具体的硬件设计及软件设计方法-This article describes in detail how the RS-232 signal from the line to produce high-efficiency power supply how to interface with RS-232 Interface Converter RS-
485_light
- 通信方式是485方式。通过485来控制一组灯的开关。-485 are way communication. Through 485 to control a group of light switches.
myusart
- atmega128单片机的串口通讯程序，通过串口调试助手可实现单片机与计算机的交互。-atmega128 single-chip serial communication program through the serial port can achieve single-chip debugging assistant computer interaction.
PLC485MT(v1.4)_hard
- protel99做的电力载波采集器硬件原理图,PCB图-Does the power line carrier protel99 hardware schematic capture, PCB map
easy_mru
- 基于电力载波芯片3106开发的,在载波和485之间互相转换-Power Line Based on the 3106 chip developed at 485 between the carrier and conversion
rs485
- Source Code in C language for microcontrollers of 51 family to implement serial communications based on RS-485 protocol.
RS232
- RS-232、RS-422与RS-485都是串行数据接口标准，最初都是由电子工业协会（EIA）制 订并发布的，RS-232在1962年发布，命名为EIA-232-E，作为工业标准，以保证不同厂家产品 之间的兼容。RS-422由RS-232发展而来，它是为弥补RS-232之不足而提出的。为改进RS-232 通信距离短、速率低的缺点，RS-422定义了一种平衡通信接口，将传输速率提高到10Mb/s， 传输距离延长到4000英尺（速率低于100kb/s时），并允许在一条平衡总线上连接最
RFID
- 单片机AT89S52控制MFRC500以及MAX485实现读取IC卡信息和多机通信功能-Single-chip AT89S52 control MFRC500 and IC card reader to achieve MAX485 information and multi-machine communication
1280_485_usart1
- 在IAR Embedded Workbench IDE平台使用ATmega1280的USART1口的编译连接通过的485通信的master机和slave2以及slave3的程序-IAR Embedded Workbench IDE in the platform of the ATmega1280 compiler USART1 I connect the 485 through the master communication and slave3 procedures, as well as
RS-485_guide
- 详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点，以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as pr
a485communicationwittheexpantheMAX3100
- 我写的一个用MAX3100扩展485通信的程序有点问题-I wrote a 485 communication with the expansion of the MAX3100 is something wrong with the procedure
485tongxun
- 基于PIC 18f 系列的485通讯原程序-PIC 18f based on the 485 series of the original procedure