The PWR power indicator improves the user experience when connecting the USB power supply. The microUSB interface has been upgraded to Type-C on the YD-RP2040 core board, making it easier for users to find compatible USB cables. A reset button is included to allow users to reset and update firmware while powered on. A user button (USR key) is added for user verification and basic input functions. An RGB LED group is integrated to assist user operation, displaying various status information through red, green, and blue light intensity. Type: Development Board Color: Black Material: PCB Style: 4MB Size: 53.34 x 22.86mm Package Contents: 1 x Development Board 3 x Pin Header Only the items listed above are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3cm.