NodeMCU ESP8266 V3 WiFi Development Board 30-Pins

ESP12E ESP 8266 Node MCU Wireless Programmable Boards

The NodeMCU ESP8266 V3 is a full-featured IoT development board designed to simplify prototyping and development of Wi-Fi-based embedded systems. Based on the ESP-12E module, this board features a powerful ESP8266EX SoC with built-in Wi-Fi capabilities, 4MB Flash, and extensive GPIO access.

Whether you're automating your home, building remote sensors, or experimenting with MQTT and APIs, the NodeMCU V3 gives you a robust, Arduino-compatible platform with plenty of community support.

---

Core Features:

• Microcontroller: ESP8266EX (Tensilica L106, 80–160 MHz)

• WiFi Standard: 802.11 b/g/n @ 2.4GHz

• Flash Memory: 4MB

• GPIOs: 13–17 usable pins (mapped as D0–D8, A0, etc.)

• ADC: 1 × 10-bit analog input (A0, 0–1V)

• USB Interface: Varies by variant (CH340, CP2102, CH9102X)

• Power Input: 5V via USB / VIN; onboard 3.3V LDO regulator

• Programming Support: Arduino IDE, NodeMCU Lua, MicroPython, PlatformIO

• Integrated Reset & Flash buttons