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Skull badge

b1uN7·DEFCON-26-Flying-Skull-Badge·Skull_badge_V2/KiCADv5/Skull_badge.kicad_pcb

Skull badge PCB layout, top view — open source AVR/Arduino board by b1uN7

About the Skull badge PCB

Skull badge is an open source AVR/Arduino PCB design by b1uN7, published on GitHub. It is a 2-layer board measuring 163.5 × 163.5 mm, with 101 components from 41 distinct parts.

Its main chip is the ATMEGA32U4-AU, from the AVR/Arduino family. Other key parts include the TPS63001, AZ1117-3.3, LOGO, Lime_pepper and WS2812B. By type, the board carries 32 capacitors, 21 ICs, 21 resistors, 8 connectors, 8 switches and 4 diodes.

It belongs with the wearables designs in this gallery.

From the project

DEFCON 26 Flying Skull Badge

Let's wotk together for DEFCON 29 (2021)!! I have set up a new Slack fir us to prepare: https://join.slack.com/t/flyingbadgers/sharedinvite/zt-rhldgde9-1GLsEr0Yzdh6VICE2oVjuQ__

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Main components on the Skull badge

ATMEGA32U4-AUTPS63001AZ1117-3.3LOGOLime_pepperWS2812B

Skull badge bill of materials (BOM)

101 components, 41 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA32U4-AU
U1
1
TPS63001
TPS63002
U2
1
AZ1117-3.3
U3
1
LOGO
U5
1
Lime_pepper
U6
16
WS2812B
U9, U10, U11, U12, U13, U14, U15, U16 +8
1
Badgelife_shitty_connector
X1
1
16MHZ
16MHz
Y1
1
USB_OTG
J1
1
LiPo
J2
1
TopR
J3
1
BtmL
J4
1
BtmR
J5
1
TopL
J6
1
Flight Controller Board
J7
1
SPI
J8
1
Fuse
F1
1
Speaker_Crystal
LS1
1
RESET
SW1
1
ARD_SW
SW2
Show 21 more
QtyPartRefs
6
SW_Push
SW4, SW5, SW6, SW7, SW8, SW9
1
Arduino_Uno_Shield
XA1
1
RX
D1
1
TX
D2
1
PWR
D3
1
LED
D4
1
L
L1
1
2.2UH
2.2uH
L2
4
10UF
10uF
C1, C7, C12, C13
2
22PF
22pF
C2, C3
2
100NF
100nF
C4, C6
5
1UF
1uF
C5, C8, C9, C10, C11
17
100NF
0.1uF
C14, C15, C16, C17, C18, C19, C20, C21 +9
2
10uF
C31, C32
2
22
R1, R2
2
10K
R3, R6
2
1M
R4, R20
1
100
R5
11
1K
R7, R8, R9, R12, R13, R14, R15, R16 +3
1
300
R21
2
0
R22, R23

Skull badge design files

The KiCad project lives in the b1uN7/DEFCON-26-Flying-Skull-Badge repository on GitHub; these links point at the commit this page was built from.

Skull badge: common questions

What microcontroller does the Skull badge use?

The Skull badge is built around the ATMEGA32U4-AU, from the AVR/Arduino family.

How big is the Skull badge PCB?

The Skull badge measures 163.5 × 163.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Skull badge?

101 components, from 41 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Skull badge design files?

From the b1uN7/DEFCON-26-Flying-Skull-Badge repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Skull badge design in my own project?

The repository has no license, so all rights stay with b1uN7. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Skull badge without the hardware?

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

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