The ESP8266 is a low-cost Wi-Fi microchip, with built-in TCP/IP networking software, and microcontroller capability, produced by Espressif Systems [1] in Shanghai, China.

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ESP8266 is a highly integrated Wi-Fi 4 SoC ideal for IoT projects.

A complete ESP8266 beginner's guide, covering introduction to various development boards and platforms, hardware overview, pinout, installation, sample code and troubleshooting.

Aug 5, 2024 · This is a getting started guide for the ESP8266 NodeMCU Wo-Fi module. It also includes a video tutorial. You can use an Arduino or a FTDI programmer to send commands.

Oct 23, 2025 · What is the ESP8266? The ESP8266 is a low-cost Wi-Fi microchip developed by Espressif Systems. It has a built-in TCP/IP stack and microcontroller unit (MCU), which makes it …

With built-in Wi-Fi capabilities, adequate processing power, and multiple GPIO pins, this microcontroller can handle everything from simple sensor readings to complex web server operations.

It lets you write sketches, using familiar Arduino functions and libraries, and run them directly on ESP8266, with no external microcontroller required.

Today, in this article we are going to introduce you to a new Wi-Fi module named ESP8266. It is widely used in the Internet of things (IoT) and working voltage of this module is 3 V.

In this article we explain the main features of ESP8266 modules and development boards, and their application within the world of IoT.