Combining NRF24 and ESP32, this board supports multiple functions such as using NRF24 for packet sniffing and wireless device testing, and ESP32 for research and development applications. Modules can be switched using toggle switches. Updated version: Dip switches have been replaced with toggle switches for easier and more intuitive operation. The board color has been changed to yellow to match the style of other modules. Note: Only hardware is included; no technical support is provided. Users are expected to conduct their own learning and research. Color: Green Material: Plastic Package Contents: 1 x Zero development board Only the above package content is included; other items are not part of the package. Note: Due to light reflection and differences in display screens, the color in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.