Features: High-quality NodeMCU Lua WiFi IoT development board based on the ESP8266 serial port WiFi module. All IO ports are brought out, enabling direct download without reset. The NodeMCU ESP8266 is a widely used development board built on the ESP-12E WiFi module, combining ease of programming via IDE with integrated WiFi capability. It includes a built-in 32-bit low-power CPU, ROM, and memory, providing a complete and self-contained WiFi network solution capable of running software applications as a standalone device or in conjunction with a microcontroller. Specifications: Item: ESP8266 CH340 Development Board Model: NodeMCU Lua WiFi V3 Driver: CH340 V3 Size: Approx. 57 x 31 mm (2.24 x 1.22 in) Note: Due to lighting effects and shooting angles, slight color variations may occur. A 1 cm measurement deviation may exist due to manual measurement. Package Includes: 1 x ESP8266 CH340 Development Board