NodeMCU ESP8266 Wifi Development Board

NodeMCU ESP8266 Wifi Development Board

The NodeMCU ESP8266 is a compact Wi-Fi development board based on the ESP8266EX SoC, designed to simplify IoT, smart home, and wireless control projects. It integrates a USB-to-serial interface for easy programming, along with a built-in Wi-Fi module, enabling seamless connectivity to networks and the Internet.

The board is fully compatible with the Arduino IDE, MicroPython, and NodeMCU Lua firmware, allowing both beginners and professionals to rapidly develop IoT applications. Its breadboard-friendly design, combined with multiple GPIO pins, PWM, ADC, and I²C interfaces, makes it ideal for sensor integration, actuator control, and wireless communication.

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Features:

• Microcontroller: ESP8266EX (Tensilica 32-bit LX106 CPU)
• Operating Voltage: 3.0V – 3.6V (recommended 3.3V)
• Flash Memory: 4MB
• Wi-Fi Standard: IEEE 802.11 b/g/n (2.4GHz)
• Interfaces: UART, SPI, I²C, PWM, ADC, GPIO
• GPIO Pins: 10+ accessible pins
• USB Interface: Micro USB for programming and power
• Modes of Operation:
• Station (STA) – Connect to Wi-Fi
• Access Point (AP) – Create your own Wi-Fi network
• STA + AP – Dual-mode operation
• Onboard Components:
• Reset and Flash buttons
• Micro USB port for power and programming
• Built-in LED for status indication
• PCB antenna for Wi-Fi connectivity
• Dimensions: ~48mm × 26mm × 13mm
• Power Consumption: Low-power sleep modes for battery projects

Applications:

• IoT Projects: Smart home automation, cloud-connected devices
• Wireless Communication: Data logging, telemetry, and remote control
• Sensors & Actuators: Temperature, humidity, motion, and light sensors
• Robotics & Automation: Motor and relay control via Wi-Fi
• Educational Projects: Learning IoT, Arduino programming, and wireless communication
• DIY Electronics: Wi-Fi-enabled switches, lighting, and smart appliances