The PiProbe is a simple 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 regular Dupont style 0.1" pitch cables 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 for example.

Documentation for downloading openocd and using the PiProbe can be found in the official Pico Getting Started Guide 8.1. Debugging your project section.

The GPIO pins of the Raspberry Pi 40-pin header are connected as below.

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 Pico Getting Started Guide.
• The PicoProbe Sled to used to debug another Pico from a computer (Windows/MacOX/Linux) using the PicoProbe Sled as a debug tool providing the SWD and UART interfaces. As described in section Appendix A: Using Picoprobe of Pico Getting Started Guide
• Connecting the SWD connectors on the PiProbe and PicoProbe Sled together will not allow you to debug the Pico on the PicoProbe Sled.

UART/SWD Cables are not included - see the our other product where you can order the lengths as required.

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