The NodeMcu ESP8266 V3 is a compact and versatile microcontroller board based on the ESP8266 chip. It is designed to make it easy for anyone to get started with Internet of Things (IoT) projects, thanks to its built-in Wi-Fi connectivity and support for the Lua scripting language.
The board features 11 digital input/output pins (of which 1 can be used as PWM output), 1 analog input pin, a 10-bit ADC, a 4 MB flash memory, and a micro USB port for programming and power. It can be programmed with the Arduino IDE or with Lua scripts using the NodeMCU firmware.
Features of the NodeMcu ESP8266 V3:
- Microcontroller: ESP8266
- Operating Voltage: 3.3V
- Digital I/O Pins: 11 (of which 1 provide PWM output)
- Analog Input Pins: 1
- DC Current per I/O Pin: 12 mA
- Flash Memory: 4 MB
- Clock Speed: 80 MHz
- Wi-Fi Connectivity: 802.11 b/g/n
- Integrated TCP/IP protocol stack
- Lua scripting language support
- Micro USB port for programming and power
The NodeMcu ESP8266 V3 is a popular choice for hobbyists and makers who want to experiment with IoT projects or home automation. It is also commonly used in commercial products and prototypes, thanks to its small size and low cost. The built-in Wi-Fi connectivity and Lua scripting support make it easy to connect to the internet and create custom software applications.