ESP-03 ESP8266 Uart Serial to Wi-Fi Module for Arduino, Raspberry Pi

ESP-03 ESP8266 Uart Serial to Wi-Fi Wireless Module with Built-in Antenna for Arduino / Raspberry Pi

2.5 ( 2 reviews)
SKU: 375192 (Added on -)
  • US$5.41

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ESP-03 ESP8266 Uart Serial to Wi-Fi Module for Arduino, Raspberry Pi
This SKU 375192 is available in DXSOUL with Free Expedited delivery. DXSOUL: 901375192
This is WiFi serial transceiver module, based on ESP8266 SoC.The SOC has Integrated TCP/IP protocol stack.It is TTL serial communication interface and its parameters can be set by AT command.

It is widely used in networking, smart home project when it is connected to the wifi router.

It can be used for remote monitoring of home appliances, bedroom temperature and humidity, and controlling home appliances by the mobile phone.


1. Communication interface voltage: 3.3V

2. IO Port Package: SMD, all IO ports are led out.

3. Antenna Type: Built-in ceramic antenna is available

4. Wireless Network Mode: station / softAP / SoftAP + station

5. Wireless criteria: 802.11 b / g / n

6. WIFI @ 2.4 GHz, support for WPA / WPA2 security mode

7. It is very easy to develop projects with AT command

ESP-03 Package:

Working Voltage 3.3V
Working Current240mA
English Manual / SpecYes
Download Link
Dimensions & Weight
Dimensions 0.68 in x 0.48 in x 0.1 in (1.73 cm x 1.21 cm x 0.25 cm)
Weight 0.06 oz (1.7 g)
Packing List
1 x ESP8266 Wifi module (ESP-03)

All packages from are sent without DX logo or any information indicating Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

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Quantity 3+ units 5+ units 10+ units
Rate US$3.54 shipped US$3.53 shipped US$3.51 shipped

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Customer's impression:
Impresive Difficult to use with Arduino
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Recent Customer Reviews

  • macbal Post on 1/21/2016

    Pros: small size, integrated antenna, full accessible pins, all documentation in website Cons: None, its is the standard model. Possible it could be cheaper compared to other websites.


    0 0 0
  • 9709739 Post on 10/17/2015

    The board is quit small, but I managed to solder several wires to the soldering pads. I searched the internet to wire the ESP-03 module to the Arduino, but I couldn't find it. I used this website to connect the module to a... Read more

    Impression:Difficult to use with Arduino

    0 0 0

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