J-USB
Micro-USB
Connector
Micro-USB B, through-hole
USB / power port
About this component
Supplies nominal 5 V VBUS, which reaches VSYS through a Schottky diode (D1), and carries the RP2040's USB data lines through two 27 Ω series resistors. Because the socket is through-hole it is fairly robust; a Pico that powers up but does not enumerate is more often a cable or USB-path issue than a broken connector.
What it does on this board
Power and programming (drag-and-drop UF2).
Pinout & readings
No pinout or reference readings yet — these show what each pin does and what a healthy part should measure.