Among the development board series, the Raspberry Pi, STM32 and ESP32 development board series have their own characteristics and are widely used in various fields. Raspberry Pi has become the first choice for learning programming, the Internet of Things, smart homes and other fields with its compactness, low cost and powerful programming capabilities. The STM32 development board has demonstrated excellent performance and reliability in industrial automation, automotive electronics, consumer electronics and other fields. The ESP32 development board has been widely used in the Internet of Things, drones, smart wearable devices and other fields with its integrated Wi-Fi and Bluetooth functions, low power consumption and high performance. These development board series not only promote technological innovation, but also provide efficient and reliable solutions for all walks of life.