. Note that a zero-ohm resistor (R68) must often be soldered to enable this. User Button : An extra "USR" key tied to Reset Button
The RP2040 has a native USB 1.1 PHY (supports Full Speed 12Mbit/s). ydrp2040 schematic
Based on official documentation and community findings from sources like GitHub and VCC-GND Studio , the board differs from the standard Pico in several ways: ydrp2040 schematic
