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Home→Microcontrollers→ESP8266 NodeMCU V2

ESP8266 NodeMCU V2

AWIE Hardware CatalogSourced for robotics, IoT, and embedded system prototyping.

Microcontrollers • ESP32 Series

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ESP8266 NodeMCU V2

SKU: SKU-MC-07

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Overview

ESP8266 NodeMCU V2 is an open-source Wi-Fi development board built around the ESP8266EX SoC. Featuring 4 MB SPI flash, an onboard CP2102/CH340 USB-to-UART bridge, and 10 GPIO pins, it provides an affordable entry into Wi-Fi IoT projects, Home Assistant integration, and Arduino IDE programming.

Key Highlights

Tensilica Xtensa 32-bit single-core L106 processor @ 80 / 160 MHz
Integrated 802.11 b/g/n Wi-Fi transceiver (2.4 GHz, WPA/WPA2)
4 MB SPI Flash memory (Winbond 25Q32)
Onboard USB-to-UART converter for plug-and-play programming
17x GPIO pins (10x PWM enabled, SPI, I2C, UART support)
1x 10-bit ADC channel (0 – 3.3V via onboard divider)
Breadboard-friendly 30-pin form factor

1

Technical Specifications

SoCESP8266EX (32-Bit @ 80/160 MHz)

Flash Memory4 MB SPI Flash

SRAM64 KB Instruction / 96 KB Data

Wi-Fi Standard2.4 GHz 802.11 b/g/n

USB InterfaceCP2102 / CH340 Bridge

Digital I/O17 Pins (10 PWM)

Analog Input1 Channel (10-bit ADC)

Operating Voltage3.3 V Logic (5 V USB/VIN)

Dimensions48.0 × 25.0 × 13.0 mm

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