The OKY2253-5 is an evaluation board developed by OKYSTAR with a controller, ESP32, 5÷12VDC, Bluetooth 4.2, and WiFi, making it possible to build a wide range of Internet of Things (IoT) based control and automation applications. It has a built-in controller, LEDs, SSD1306 LCD display, and buttons, perfect for various DIY projects. The board offers a wide range of features, such as Bluetooth 4.2 and Wi-Fi connectivity, low-power consumption, and a robust security mechanism. The evaluation board also supports advanced image and voice recognition capabilities, offering maximum flexibility when it comes to creating customized user interfaces. It is ideal for integrating with popular microcontrollers, such as Arduino and ESP32, allowing for rapid prototyping of various innovative and scalable digital devices.