The NodeMCU ESP8266 Development Board is a compact and versatile Wi-Fi-enabled microcontroller board designed for IoT, automation, robotics, and wireless electronics projects. Based on the ESP8266 microcontroller, it provides built-in Wi-Fi connectivity along with multiple digital and analog GPIO pins. Its USB interface makes programming and power supply convenient, making it an excellent choice for beginners, hobbyists, and embedded system developers.
Features
- Based on the ESP8266 Wi-Fi microcontroller
- Built-in 2.4 GHz Wi-Fi connectivity
- Compact NodeMCU development board design
- Multiple digital GPIO pins
- Analog input support
- Supports PWM, UART, SPI, and I²C communication
- Micro USB port for programming and power
- Onboard voltage regulation
- Reset and Flash/Boot buttons
- 3.3V logic operation
- Compatible with Arduino IDE
- Suitable for IoT and wireless applications
Specifications
| Specification |
Details |
| Product Type |
Wi-Fi Microcontroller Development Board |
| Model |
NodeMCU ESP8266 |
| Microcontroller |
ESP8266 |
| Processor |
32-bit |
| Clock Speed |
Up to 80 MHz |
| Wi-Fi |
2.4 GHz 802.11 b/g/n |
| Digital GPIO |
Multiple GPIO pins |
| Analog Input |
1 × ADC |
| Operating Voltage |
3.3V |
| USB Interface |
Micro USB |
| Programming Interface |
USB |
| Flash Memory |
Typically 4 MB |
| Communication |
UART, SPI, I²C |
| Logic Level |
3.3V |
| Development Support |
Arduino IDE and compatible platforms |
Applications
- IoT projects
- Home automation
- Smart home devices
- Wi-Fi-controlled projects
- Wireless sensor systems
- Remote monitoring
- Robotics projects
- Smart lighting systems
- Environmental monitoring
- Data logging
- Web server projects
- Educational electronics projects
- DIY embedded systems
Advantages
- Built-in Wi-Fi for wireless communication
- Compact and easy-to-use development board
- USB interface simplifies programming and power
- Multiple GPIO pins for sensors and modules
- Supports common communication protocols
- Compatible with the Arduino development environment
- Low-cost solution for IoT projects
- Excellent choice for wireless automation and monitoring applications
Package Includes
- 1 × NodeMCU ESP8266 Development Board
Note
The board shown is a NodeMCU ESP8266 development board featuring an ESP8266 Wi-Fi module. Specifications such as flash memory, pin configuration, and USB interface may vary slightly between different manufacturers and board versions. The ESP8266 uses 3.3V logic, so avoid applying 5V directly to its GPIO pins. Refer to the specific board documentation for exact electrical limits and pin assignments.
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