Brief information and description about ESP8266 WiFi Module

What is ESP8266?

Key features of this module are that it is low powered, compact and High durable. ESP8266 is low powered and integrated WiFi based microcontroller. It can be also used as a web server. Manufacturer of ESP8266 is Espressif Systems. It is based in Shanghai, China. For details information, have a look at the ESP866 Data-sheet.

There are 2 models of ESP8266. old and new. Blue is old and black is a new one.

Features or basics of ESP8266

  • Microcontroller: Tensilica Xtensa L106 32 bit
  • Clock frequency: 80 MHz
  • Instruction RAM: 64 KiB
  • Data RAM: 96 KiB
  • Flash Memory: 512 KiB (extends up to 16 MiB)
  • Wi-Fi Protocols: 802.11 b/g/n/e/i
  • Operating Voltage: 2.5V ~ 3.6V
  • Operating Current: 80 mA (Average value)
  • Storing or operating temperature: -40°C ~ 125°C

Ai-Thinker development boards based on ESP8266

ESP-01 Module

ESP-01M Module

ESP-01S Module

ESP-02 Module

ESP-03 Module

ESP-04 Module

ESP-05 Module

ESP-06 Module

ESP-07 Module

ESP-07S Module

ESP-08 Module

ESP-09 Module

ESP-10 Module

ESP-11 Module

ESP-12 Module

ESP-12E Module

ESP-12F Module

ESP-12S Module

ESP-13 Module

ESP-14 Module

Other Development boards

Bolt IoT

Olimex MOD-WIFI-ESP8266



Adafruit Huzzah ESP8266 breakout

Sparkfun ESP8266 Thing WRL-13231

KNEWRON Technologies smartWIFI


DoIT ESPduino

WeatherPlus – SwitchDoc Labs

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