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2 layers48 × 68 mmPathfinder, the printed circuit board in 3D

Controller board with 3 keys, 3 LEDs, a buzzer, and a potentiometer. When you press a key, the corresponding LED will light up. When you press all the keys together, the buzzer will sound, with the tone controlled by the potentiometer.

Size
48 × 68 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
17
Pads
60
Tracks, vias
58, 0
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
31 Mar 2026
Updated
31 Mar 2026

Overview

Pathfinder is an open-source printed circuit board by powershell1, from the powershell1/BuzzingFidget repository on GitHub. It is a 2-layer board of 48 × 68 mm with 12 parts on 17 nets, routed with 58 tracks and 0 vias.

Its parts include 3 resistors, 3 diodes, 3 switches and 1 IC. It belongs with the RP2040 boards of this library.

README

README.md

BuzzingFidget

PCB-Image Controller board with 3 keys, 3 LEDs, a buzzer, and a potentiometer. When you press a key, the corresponding LED will light up. When you press all the keys together, the buzzer will sound, with the tone controlled by the potentiometer.

Parts

12
QtyValueFootprintReferences
3L08R5000Q1L08R5000Q1:LEDRD254W57D500H1070D1, D2, D3
3RResistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR1, R2, R3
3SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3
1BuzzerBuzzer_Beeper:Buzzer_12x9.5RM7.6BZ1
1R_PotentiometerPotentiometer_THT:Potentiometer_Vishay_T93YA_VerticalRV1
1XIAO-RP2040-DIPXIAO-Series:XIAO-RP2040-DIPU1

Questions

How big is the Pathfinder PCB?

It measures 48 × 68 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Pathfinder use?

12 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 Pathfinder KiCad files?

From the powershell1/BuzzingFidget repository on GitHub, at the commit this page was made from: the board is pathfinder.kicad_pcb and its schematic pathfinder.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Pathfinder design in my own project?

Its repository states no licence, so its author keeps all rights: ask powershell1 before reusing the design.

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