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  • UART TTL to Ethernet Converter
  • UART TTL to Ethernet Converter
  • UART TTL to Ethernet Converter
  • Image 4

UART TTL to Ethernet Converter

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Product Description

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The UART TO ETH converter module provides an easy way to communicate between UART and Ethernet, and it can be configured via web page.


  • M0 series 32-bit ARM processor, fast speed, high efficiency
  • 10/100M Auto-MDI/MDIX ethernet interface, regardless of cross-over or straight-through cable
  • Auto-reconnecting, provides a reliable TCP connection
  • Supports time-out reboot (no-data reboot), configurable reboot time
  • Flexible serial port data framing, allows kinds of customized packeting
  • Baudrate configurable, from 600bps up to 460800bps, supports five parity check options: None, Odd, Even, Mark, Space
  • Supports customized heartbeat packets, make sure the connection is truthful
  • Supports customized registration packets, detect the connection status, customizable packet header, make the register packets with selected MAC address
  • Supports customized web page, allows user to customize the module configuration page
  • Supports RFC2217-like protocol, be able to communicate with devices whose serial setting (baudrate, data bit, etc.) may change
  • Supports DNS domain name resolution, configurable DNS server
  • Supports DHCP, auto-obtained IP or static IP
  • Firmware is upgradable via the network
  • Restore to factory settings via software and/or hardware
  • Comes with default MAC address, which is customizable
  • Available working modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client
  • Supported protocols: IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client
  • Configurable via web page, AT commands, serial protocol, and network protocol, provides configuration protocol which can be integrated to your own software
  • Provided software: module configuration software, TCP/UDP testing tool, VCOM virtual serial port software
  • Example code: host computer (socket ), VB, C++, Delphi, Android, iOS, etc.


  • Protection: built-in 1.5KV electromagnetic isolation
  • Interface: 3.3V TTL (2.54mm pitch pinheader)
  • Power supply: 3.3V DC or 5V DC (via different pin)
  • Operating current: 150mA (avg)/160mA (max)
  • Operating temperature: -25~75°C
  • Power consumption: <1W
  • Storage condition: -40~105°C, 5~95%RH
  • Dimension: 50.5 x 22.6 x 15 (mm)

Application Examples

Bi-directional communication between UART TTL device and wired Ethernet:

UART to Ethernet Application

Extending the physical distance between sertail devices:

Extend the communication distance for serial devices

Managing multiple serial client devices remotely via one web server: 

Manage multi serial client devices remotely via one web server:

Managing serial server remotely via multiple web clients:

Managing serial server remotely via multiple web clients:


UART TTL to Ethernet Converter - Dimensions

Development Resources

Embedded Ethernet and Internet Complete

Embedded Ethernet And Ethernet Complete

Designing and Programming Small Devices for Networking

Bringing together two areas of computer technology (networking and embedded systems), this developer's guide offers guidance and examples for each of these, with a focus on the individual requirements and limits of embedded systems.

Because developing an embedded system for networking requires knowledge from many areas, including circuit design, programming, network architecture, and Ethernet and Internet protocols, developers are given valuable technical information on each that can be put to use right away.

Covered are the advantages and limits of using Ethernet to connect embedded systems in a local network, hardware and program code needed to connect an embedded system to an Ethernet network and the Internet, and how to build a network.

Also discussed are how embedded systems can use TCP/IP and related protocols and how personal-computer applications can use the protocols to communicate with embedded systems.
Developers learn how their Web server's pages can include dynamic, real-time content and respond to user input.

More Information...

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