ESP8266 ESP-12E WiFi Module + Free Adapter Plates

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Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at very low price. The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) and TCP/IP stack with DNS support as well. We do sell these on a breakout, but maybe you wanna just put this in your own project PCB.

ESP8266 comes with 4MB flash chip, ESP processory, and onboard antenna. These come pre-progammed with AT firmware, you can install ESP support on Arduino IDE and can program your ESP module wth your favourite Arduino IDE so you are ready to rock. Some extra parts will be needed to get this going, check out the post for the extra components we recommend.

ESP-12E version which has the SPI flash pads brought out on the bottom row. Note that you cannot use them for GPIOs or anything, they’re there so you can program the FLASH chip only.



  • This module requires a 3.3 volt supply for VCC, and 3.3V logic.
  • Connecting RX or TX on 5V Arduino will destroy this module.
  • You must use a logic level converter, or a 3.3V Arduino.
  • The 3.3V supply on the Arduino Uno has inadequate current capability to power this module.
  • You must provide a separate, higher 3.3V supply(about 300mA or better).


  • It is used in wireless data communication.
  • Wi-Fi controlled robot.
  • Internet of things
  • Home Automation

Additional information

Weight 50 kg
Dimensions 3.94 x 3.94 x 3.94 in

2 reviews for ESP8266 ESP-12E WiFi Module + Free Adapter Plates

  1. Rated 5 out of 5

    Fast shipping, Good seller

  2. Rated 5 out of 5

    limited variety but lowest prices and reliable

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