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2 layers68.6 × 81.3 mmPicoProbePCB, the printed circuit board in 3D

A minimal PCB for making a Rasberry Pi Picoprobe, designed for ease of machining with a single layer

Size
68.6 × 81.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
6
Nets
27
Pads
54
Tracks, vias
72, 0
Pours
2
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
24 Feb 2024
Updated
31 May 2026

Overview

PicoProbePCB is an open-source printed circuit board by Patronics, from the Patronics/PicoProbePCB repository on GitHub. It is a 2-layer board of 68.6 × 81.3 mm with 6 parts on 27 nets, routed with 72 tracks and 0 vias.

Its parts include 2 ICs, 2 connectors, 1 resistor and 1 diode. It belongs with the RP2040 boards of this library.

README

readme.md

PicoProbePCB

A simple, minimal PCB for making a Rasberry Pi debug probe (formerly called PicoProbe), designed for ease of machining with a single layer, yet with optional additional features (A power LED and some power breakouts) if produced as a two-layer PCB.

Design

SchematicPCB LayoutSingle Layer Layout
PicoProbe SchematicDiagram of PCB LayoutDiagram of Single Layer PCB Layout

Images

Rev 2 PCB RenderRev 1 single-sided (off)Rev 1 single-sided (active)
3D render of PCBphoto of the PicoProbePCB turned offphoto of it turned on

The single-sided version was machined using my homemade CNC Machine

Parts

6
QtyValueFootprintReferences
1Conn_01x03_SocketConnector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_VerticalJ1
1Conn_01x05Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical_SMD_Pin1LeftJ2
1LEDLED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderD1
1RLED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderR1
1RaspberryPi_PicoRaspberryPi_Pico:RaspberryPi_Pico_Debug_PicoProbePinsOnlyLargePadsU2
1RaspberryPi_Pico_SecondaryPinsRaspberryPi_Pico:RaspberryPi_Pico_Debug_PicoProbePinsOnlyLargePadsU1

Questions

How big is the PicoProbePCB PCB?

It measures 68.6 × 81.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the PicoProbePCB use?

6 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the PicoProbePCB KiCad files?

From the Patronics/PicoProbePCB repository on GitHub, at the commit this page was made from: the board is PicoProbePCB.kicad_pcb and its schematic PicoProbePCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the PicoProbePCB design in my own project?

Its repository states no licence, so its author keeps all rights: ask Patronics before reusing the design.

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