- Expand Your GPIO Access : This expansion board transforms a single GPIO pin from your development board into two, making it ideal for users who need to maximize pin usage for extensive smart home projects. - Full Compatibility : Designed specifically for the ESP8266 ESP-12E, ensuring seamless integration with your existing hardware and eliminating compatibility concerns. - Versatile Connection Options : Choose between pin header connections and terminal blocks based on your project requirements, providing flexibility for various applications. - Durable Double-Layer PCB : Crafted with a double-layer printed circuit board, each pin is wired on both sides for enhanced stability. This design minimizes the risk of poor connectivity and ensures reliable signal transmission for your projects. Use Cases : - Deploy multiple sensors or actuators in your smart home setup by leveraging extra GPIO capabilities. - Easily build prototypes that require multiple connections without worrying about limited pin availability. - Create robust electronic projects with stable connections, ideal for home automation, IoT applications, and prototyping.