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• Built-in on-board USB-TTL serial converter based on CH340G, with Micro-USB socket
• Power in for DC 4~9V DC to pin VIN
• Pin headers 2.54mm (0.1") 15 pins x 2 rows
• Arduino-like hardware I/O and can program in Arduino IDE
• Event-driven API for network applications
• 10 GPIOs D0-D10, PWM functionality, IIC and SPI communication, 1-Wire and ADC A0, etc. all in one board
• Wifi networking (can be used as an access point and/or station, host a web server), connect to the internet to fetch or upload data

The board combines features of a WiFi access point and station plus a microcontroller and uses simple Lua-based programming language.

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 applications facilitates developers writing code running on a 5mm*5mm MCU in Nodejs style. Greatly speed up your IoT application development process.

Lowest cost WI-FI

WI-FI MCU ESP8266 integrated and easy to the prototyping development kit. The best platform for IoT application development at the lowest cost.

Usage Notes:

The ESP8266 uses a lot of current, so if you're getting flakey behavior, make sure you are plugging your console cable into either a motherboard USB port or a powered USB hub. Don't use the 'extra' USB port on your monitor or keyboard.

Expansion

Recommended for use with our NodeMCU Development Board platform