🚀 Elevate Your IoT Game! Stay secure with WPA/WPA2 support for your IoT projects. Utilize multiple GPIO pins for diverse applications and projects. Connect up to 5 TCP clients simultaneously for enhanced functionality. Experience effortless integration with built-in WiFi capabilities. Choose from STA, AP, or STA + AP modes for ultimate flexibility. WiFi 802.11 b/g/n Built-in PCB Antenna USB-TTL Interface The Lolin NodeMCU Lua V3 ESP8266 is a powerful IoT development module featuring a built-in USB-TTL serial communication interface, a robust PCB antenna, and support for the latest WiFi standards. With versatile operating modes and multi-client capabilities, this module is perfect for both hobbyists and professionals looking to innovate in the Internet of Things space.