: A built-in WS2812 addressable LED connected to GPIO 23 . Blue User LED : A standard indicator connected to GPIO 25 . Pinout and Logic Levels follows the standard RP2040 electrical specifications: Logic Voltage : 3.3V . The board is not 5V tolerant .
: Detailed hardware differences and power schematic analysis can be found on the Raspberry Pi Forums Key Design Features ydrp2040 schematic
The schematic features pads for SWD (Serial Wire Debug) to allow for advanced debugging using tools like J-Link or another Raspberry Pi Pico. 5. Pinout and GPIO Configuration : A built-in WS2812 addressable LED connected to GPIO 23