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4 layers15.7 × 40.1 mmPikey, the printed circuit board in 3D

My verson of a usb rubber ducky that can also be used as a storage device

Size
15.7 × 40.1 mm
Copper layers
4
Thickness
1.6 mm
Parts
49
Nets
89
Pads
267
Tracks, vias
787, 121
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
7 Apr 2026
Updated
4 May 2026

Overview

Pikey is an open-source printed circuit board by Thenewtechgu, from the Thenewtechgu/Pikey repository on GitHub. It is a 4-layer board of 15.7 × 40.1 mm with 49 parts on 89 nets, routed with 787 tracks and 121 vias.

It is built around the RP2350B, W25Q128JVSIQ and ABM8-272-T3, with the AOTA-B201610S3R3-101-T, DX07P024MJ1R1500 and SKRPACE010 among its other parts. Its parts include 21 capacitors, 14 resistors, 5 connectors, 3 ICs and 3 diodes. It belongs with the RP2350 boards of this library.

Main components

7

README

README.md

Pikey

My verson of a usb rubber ducky that can also be used as a storage device

The Schematic and board

image

This is the schematic of the board.

Pikey uses

  • RP2350B as the controller and communicater between the chip and the computer
  • Flash memory (8mb)
  • Micro sd card ( can be used for storage of payload or to be used as a normal flash drive)
  • A user configurable Tactile Switch
  • A 3 color LED (Red, Blue, Green)
image

And this is the routed board.

Parts

49
QtyValueFootprintReferences
12100uFCapacitor_SMD:C_0402_1005MetricC6, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18
510kΩResistor_SMD:R_0201_0603MetricR9, R10, R11, R12, R13
44.7uFCapacitor_SMD:C_0402_1005MetricC1, C2, C3, C7
310uFCapacitor_SMD:C_0402_1005MetricC4, C5, C29
215pFCapacitor_SMD:C_0402_1005MetricC19, C20
21kΩResistor_SMD:R_0402_1005MetricR5, R6
227ΩResistor_SMD:R_0201_0603MetricR2, R3
25.1kΩResistor_SMD:R_0201_0603MetricR1, R14
25VDiode_SMD:D_0402_1005MetricD17, D18
2Conn_02x01Connector_PinHeader_1.00mm:PinHeader_2x01_P1.00mm_VerticalJ1, J5
133ΩResistor_SMD:R_0402_1005MetricR4
16.2kΩResistor_SMD:R_0201_0603MetricR8
19.1kΩResistor_SMD:R_0201_0603MetricR7
1ABM8-272-T3ABM8-272-T3:XTAL_ABM8-272-T3Y1
1AOTA-B201610S3R3-101-TAOTA-B201610S3R3-101-T:AOTAB201610S3R3101TL2
1Conn_01x03Connector_PinHeader_1.00mm:PinHeader_1x03_P1.00mm_VerticalJ4
1DX07P024MJ1R1500DX07P024MJ1R1500:JAE_DX07P024MJ1R1500J2
1Microsd cardConnector_Card:microSD_HC_Hirose_DM3AT-SF-PEJM5J3
1NCP1117-3.3_SOT223Package_TO_SOT_SMD:SOT-223-3_TabPin2U2
1RP2350BPackage_DFN_QFN:QFN-80-1EP_10x10mm_P0.4mm_EP3.4x3.4mmU1
1SKRPACE010SKRPACE010:SW_SKRPACE010S1
1SMLVN6RGBLED_SMD:LED_ROHM_SMLVN6D1
1W25Q128JVSPackage_SO:SOIC-8_5.3x5.3mm_P1.27mmU3

Questions

How big is the Pikey PCB?

It measures 15.7 × 40.1 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Pikey use?

49 parts, built around the RP2350B, W25Q128JVSIQ, ABM8-272-T3 and AOTA-B201610S3R3-101-T. 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 Pikey KiCad files?

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

Can I use the Pikey design in my own project?

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

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