ESP8266EX Controller Board NodeMCU Lua Version 3 Board for WiFi Networking Projects with USB Flashing, Header Access and Small Format Layout Support

Features: WiFi Control Format: This ESP8266 development board combines 2.4 GHz wireless networking with a compact controller layout, helping makers build connected prototypes for input handling, data exchange, and regular coding work. USB Setup Access: A direct USB connection supports power input, firmware loading, and debugging access, giving electronics users a clear setup route when preparing boards for repeated project testing. GPIO Header Layout: Header pins for GPIO and serial wiring help users add external parts and supporting circuits, so prototype layouts stay flexible during hands-on tuning and trial fitting. Coding Workflow Fit: The board suits common development workflows used for controller learning, project iteration, and classroom practice without adding option-specific accessory or bundle wording. Compact Project Format: The small board footprint suits desktop prototyping, lab practice, and WiFi automation experiments where builders want an easy-to-place control module for ongoing electronics tasks. Specifications: Size: Approx.5.80x3.10cm/2.28x1.22inch Power: USB 5V Quantity: 1 Set Main Chip: ESP8266EX Wireless Frequency: 2.4GHz 802.11 b/g/n USB Interface: CH340G / CP2102 Optional Version: Basic/ with Data Cable/ with LED Cable Memory: 4MB (32Mbit) Operating Voltage: 3.3V Data Rate: Up to 72Mbps Package Includes: 1 set Development Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.