HardLabs

USB duck v3

Freimor·HRDW-Automaton_v3·KiCad/USB_duck_v3.kicad_pcb

USB duck v3 PCB layout, top view — open source RP2040/RP2350 board by Freimor

About the USB duck v3 PCB

USB duck v3 is an open source RP2040/RP2350 PCB design by Freimor, published on GitHub under the MIT license. It is a 4-layer board measuring 30.8 × 50 mm, with 77 components from 32 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q128JVPIQ, ECMF02-2AMX6, AMS1117-3.3 and SN74LVC2G17. By type, the board carries 27 resistors, 21 capacitors, 10 diodes, 6 ICs, 6 connectors and 4 switches.

From the project

A BadUsb with a few design additions for tech teams.

USB duck v3, from the project README
From the project README

Main components on the USB duck v3

RP2040W25Q128JVPIQECMF02-2AMX6AMS1117-3.3SN74LVC2G17

USB duck v3 bill of materials (BOM)

77 components, 32 distinct parts.

QtyPartRefs
1
RP2040
U1
1
W25Q128JVPIQ
U2
1
ECMF02-2AMX6
U3
1
AMS1117-3.3
U5
2
SN74LVC2G17
U7, U8
1
AO3400A
Q1
1
Crystal_GND24_Small
Y1
1
USB_C_Receptacle_USB2.0
J1
1
Micro_SD_Card
J2
1
DEBUG
J3
1
Spring_1
J4
1
Spring_2
J6
1
P169H002-CTP Connector
J7
1
BOOTSEL
BOOTSEL1
4
SW_SPST
SW8, SW9, SW12, SW13
3
RED
D1, D6, D9
3
GREEN
D2, D7, D10
1
CD_LED
D3
1
D_TVS
D4
1
BLUE
D5
Show 12 more
QtyPartRefs
1
ORANGE
D8
5
10uF
C1, C2, C3, C14, C17
2
15pF
C4, C5
14
100nF
C7, C8, C9, C10, C11, C12, C13, C15 +6
1
5.1k(DNP)
R1
1
5.1k
R2
5
750
R3, R12, R15, R24, R25
5
150
R4, R8, R16, R30, R31
10
10k
R9, R13, R26, R27, R28, R29, R32, R33 +2
3
27.4
R10, R19, R20
1
1M
R11
1
1k
R22

USB duck v3 design files

The KiCad project lives in the Freimor/HRDW-Automaton_v3 repository on GitHub; these links point at the commit this page was built from.

USB duck v3: common questions

What microcontroller does the USB duck v3 use?

The USB duck v3 is built around the RP2040, from the RP2040/RP2350 family.

How big is the USB duck v3 PCB?

The USB duck v3 measures 30.8 × 50 mm, has 4 copper layers and is 0.8 mm thick.

How many components are on the USB duck v3?

77 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the USB duck v3 design files?

From the Freimor/HRDW-Automaton_v3 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the USB duck v3 design in my own project?

Yes, under the terms of its MIT license, which Freimor chose for the repository.

Can I test firmware for the USB duck v3 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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