This Instructable will show you the steps needed to get started with the ESP8266 using a fantastic little development board for the ESP-12E module. For more like this, please visit our! The board includes everything needed including a USB to Serial adapter, surface-mount LED, and voltage regulator. In addition, it is easily mountable on a breadboard for developing your own IoT project(s)! Edit: we now have the steps in this tutorial in video form! The main goal of the Instructable is to cover all the different options you can use in terms of firmware for developing applications that use the ESP8266 to connect to the web. The content, although available, is scattered throughout various sites around the web thus we decided to condense it in one place.

Let's get started! Since the summer of 2014, the ESP8266 has seen a wide adoption as a cost-effective solution for IoT and WiFi-capable devices. The ESP8266 was developed by Shangai-based, as a Serial (UART) to Wi-Fi SoC (System On a Chip) based around a DPU. This tiny IC includes an RF front end, RAM, and (usually) an onboard TCP/IP stack that allows it ready to connect to a nearby Access Point, to act as an Access Point itself, or both. Family of Breakout Boards (ESP-NN) Quickly after launch, a variety of breakout boards for the ESP8266 started becoming available. The most popular ones have been the ESP-NN series, which typically integrate the SoC along with Flash RAM, a crystal, and even an onboard antenna. The most salient distinction between different ESP-NN models are the pins that are broken out from the ESP8266 (for a full list see ).

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As the ESP8266 was developed as a Serial to Wi-Fi adapter, its firmware implemented an intertrepeter for AT commands. Thus initial usage of the IC was limited to using a either a USB to Serial adapter, or a separate microcontroller (e.g., ATmega328) to issue AT commands over the ESP8266's Serial UART interface. Benga I Will Never Change Rar on this page. For this reason, the ESP-01 board quickly became popular amongst the ESP8266 community becaue of its 2×4, 0.1in-pitch connector that can be easily wired to a USB to Serial adapter. The connector gave access to the pins used for serial communication, namely RX and TX, as well as 4 control pins, GPIO0, GPIO2, CH_PD and RST (reset), along with VCC and GND. However, other ESP-NN boards offer access to a wider variety of pins, although their packaging is of a custom Surface-Mount Device, with castellated pins as seen in the documentation page linked above. From the different ESP-NN boards, we began to experiment with the ESP-12E. The main reason is that this module was the one chosen by the developers of the NodeMCU project for their hardware DevKit 1.0 (see for details about NodeMCU).