Uart Wifi Server/client Module Kits- Arduino Compatible

Uart Wifi Server/client Module Kits- Arduino Compatible

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Uart Wifi Server/client Module Kits- Arduino Compatible:

We have another WIFI module in our shop. That WIFI module communicates via SPI interface, which is not easy for some beginners. But it might be a little hard to use this module. The code is long and complicate. Interpreting the code is always hard and boring, especially for those who don’t want to waste much time on this module.

So we supply another WIFI module here. It has UART interface. And it is more powerful, with more functions


TLG10UA03 is a new embedded Uart-Wifi modules supplied by elechouse.

Uart-Wif is an embedded module based on the Uart serial,according with the WiFi wireless WLAN standards, It accords with IEEE802.11 protocol stack and TCP / IP protocol stack,and it enables the data conversion between the user serial and the wireless network module. through the Uart-Wifi module, the traditional serial devices can easily access to the wireless network.

TLG10UA03 does a comprehensive hardware and software upgrades based on the products of the first two generations, now it’s more functional and more convenient to use,its main features include:

  • Support transparent transmission of serial completely,and achieve a plug and play serial
  • Support new AT+instruction set, Which is all based on ASCII format, it’s simple to use and pellucid.
  • Support more perfect TCP/IP protocol tack, support DHCP protocol for dynamicassignation of IP address and DNS domain name parsing.
  • Embed WEB server, and achieve the long-range parameters configuration through wireless network with IE browser.
  • Support more prefect transmission performance,the maximum sending rate can reach to 11KB/s.
Characteristic Interface
  • 2*4 pins of Interface: HDR254M-2X4
  • The range of baud rate: 1200~ 115200bps
  • RTS/CTS Hardware flow control
  • Single 3.3V power supply
  • Support IEEE802.11b/g wireless standards
  • Support the range of frequency: 2.412~2.484 GHz
  • Support two types of wireless networks: Ad hoc and Infrastructure
  • Support multiple security authentication mechanisms:
  • Support quick networking
  • Support wireless roam
  • Support multiple network protocols:
  • Support two types of work modes: auto and command
  • Support transparent transmission mode
  • Support AT+ instruction set
  • Support a variety of parameters configuration methods: serial/WEB server/wireless connection Application
  • Intelligent bus network, such as wireless credit card machine
  • Small financial payment network, such as wireless POS machine
  • Industrial equipment networking, such as wireless sensor things

Here we supply a detailed test example. You can download the test file in the Download list. With Arduino WiFi Module Shield, this wifi module can easily compatable with Arduino.

First you should configure the wifi module. On your PC you should visit the admin panel of your wifi network. Usually this address is

Connect wifi module with PC via USB-TTL module. Start wifi software to find the device. Input all the information needed to configure the wifi module.

Set the wifi IP address in server mode. Port is 8089.

After the configuration on wifi module, upload the following code to Arduino:

void setup()
void loop()
boolean currentLineIsBlank = true;
if (Serial.available()) {
char c =;
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
if (c == 'n' && currentLineIsBlank) {
// send the webpage
Serial.println("HTTP/1.1 200 OKrnContent-Type: World!! I am WiFi break;

if (c == 'n') {
// you're starting a new line
currentLineIsBlank = true;
else if (c != 'r') {
// you've gotten a character on the current line
currentLineIsBlank = false;

Connect WiFi module with Arduino

In your browser, visit

We will explain configuration step by step in the test file. You can download below.

  • Manual
  • WiFi software
  • Test File
  • USB-TTL Driver
Product list
  1. Wifi module x1
  2. USB-TTL module x1
  3. 4pin wire x1
Please note:Arduino WiFi Module Shieldis not contained in this product list.Recommend

Arduino WiFi Module Shield

Shipping Information


Standard Int'l Shipping is recommended !!!

Economy Int'l Shipping

(Free Shipping)

Usually we ship it as Registered Mail of China Post(trackable) or Air Mail of HK Post (not trackable).The shipping time is usually 15~45 workdays.

Registered Mail of China Post has a tracking number. Sometimes it is fast but sometimes it is slow.

Air Mail of HK Post is not trackable. If you don't receive it within 45 workdays, please contact us and we will ship again.

Standard Int'l Shipping

We shipped mails as Registered Mail of Hongkong/Singapore Post. For most countries, you could track the whole shipping process. Usually it is faster than the Free Shipping above.

You could refer to this document to learn the shipping time.

Express Delivery Shipping This shipping service contains DHL, UPS, EMS and Fedex. Usually it takes 4~7 workdays. If you couldn't find this option but you need it, please contact us.

Hanlding time will be 1~3 workdays.

Shipping Policy
  • Import duties and taxes are supposed at buyers' charge.
  • We always mark our customers' parcels as a gift.
  • We ship to worldwide.
Returns and Refund Policy

We will ship again or do the refund if you are not satisfied with our products for any reason. For due to our products' problem, we will do full refund (including shipping fee).


DO NOT LEAVE NEGATIVE response BEFORE CONTACING WITH US.All the problems could be solved well. Please contact us if you have any problem. Negative response offers no help to solving problems. We keep the right to refuse offering any post-sale service if negative response was received.

Uart Wifi Server/client Module Kits- Arduino Compatible:

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