However, this board is no longer manufactured mainly because its width was not breadboard friendly. The first version was NodeMCUV0.9 by Amica which was based on ESP-12. The ESP8266 NodeMCU boards come in different versions. Hardware Overview of the ESP8266 NodeMCU. In this tutorial I will give an introduction to ESP8266 NodeMCU development boards including the hardware and pinout structure and how to begin programming these boards with Arduino IDE. ESP8266 NodeMCU boards are ideal for IoT and other wireless connection applications. NodeMCU is an open source IoT platform that includes Lua based firmware running on the ESP8266 WiFi SoC from Espressif Systems, and hardware based on the ESP-12 module. Does the NodeMCU V3 board have a built-in LED?.Testing the ESP8266 NodeMCU by blinking an LED.Drivers for CP2102 or CH340G USB to TTL Converter.Specifying the type of NodeMCU board being used.Installing the ESP8266 Boards manager package.Installing the NodeMCU package for Arduino IDE.
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