WT-ESP32-CAM is a small-size camera development board based on ESP32, which integrates WIFI+Bluetooth solution. The development board can work independently as the smallest system. The development board adopts DIP package, users only need to directly plug in the bottom board to use, which effectively reduces the enterprise R&D threshold, shortens the product development cycle, realizes the rapid production of products, and is convenient to apply to various IoT hardware terminal occasions.