The PiProbe is an adaptor with protection resistors used to debug a Raspberry Pi Pico/RP2040 microcontroller using OpenOCD from a Raspberry Pi computer.
On the top side of the board, there are two 3-pin connectors:
SWD to debug the ARM core and
UART for a serial connection you can connect to the target device
On the underside of the board, there's a 9-pin 0.1" header which replicates the SWD and UART interfaces and adds both 5V and 3.3V power. The SWD/UART pins on the 9-pin connector can be used with jumper wires and a breadboard for example.
The GPIO pins are 3.3V only but the 5V output could be used to power a Pico you're debugging. Documentation for downloading OpenOCD and using the PiProbe can be found in the official Pico Getting Started Guide 8.1. Debugging your project section.
Raspberry Pi, Raspberry Pi Pico and cables not included
Please Note
The PiProbe is used to debug a Pico from a Raspberry Pi directly. As described in section 8.1. Debugging your project of the Pico Getting Started Guide.
Connecting the SWD connectors on the PiProbe and PicoProbe Sled (available separately) together will not allow you to debug the Pico on the PicoProbe Sled.
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