This is the famous NodeMCU which is based on ESP8266 WiFi SoC. This is version 3 and it is based on ESP-12E (An ESP8266 based WiFi module). NodeMCU is also an open-source firmware and development kit that helps you to prototype your IoT(Internet of Things) product within a few LUA script lines, and of course you can always program it with Arduino IDE.

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Features

• Open-source
• Interactive
• Programmable
• Low cost
• Simple
• Smart
• WiFi enabled
• Arduino-like hardware IO
• Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware
• Code like Arduino, but interactively in Lua script
• Nodejs style network API
• Event-driven API for network applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style
• Greatly speed up your IoT application developing process
• Lowest cost WiFi
• Less than $2 WiFi MCU ESP8266 integrated and esay to prototyping development kit
• We provide the best platform for IoT application development at the lowest cost
• Input Voltage:
  • 3.3V via 3.3V pin
  • 5.0V via Vin or USB

Specifications

The Development Kit based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board.

• Power your development in the fastest way combinating with NodeMCU Firmware!
• USB-TTL included, plug&play
• 10 GPIO, every GPIO can be PWM, I2C, 1-wire
• PCB antenna

Documents

• Schematic & PCB, Source Code, API Documents
• CH34X driver (Please ensure the board is plug in to computer USB port during driver installation)
  • Windows (V3.5 Mar2019)
  • Mac OS (V1.5 Mar2019)
  • Linux (V1.5 Mar2019) (Normally is readily installed)
  • CH34X Driver - Get the latest driver from factory
• Getting Started with NodeMCU V3 by sho8c1rkut
• Getting Started with NodeMCU V3, Arduino ecosystem and PlatformIO IDE by Danila Loginov

Packing List

• 1 x NodeMCU V3 board