HardLabs

Bocal HIDKey

Freimor·HRDW-HIDKey·KiCad/HID_Key_v1/Bocal_HIDKey.kicad_pcb

Bocal HIDKey PCB layout, top view — open source AVR/Arduino board by Freimor

About the Bocal HIDKey PCB

Bocal HIDKey is an open source AVR/Arduino PCB design by Freimor, published on GitHub under the MIT license. It is a 2-layer board measuring 15.2 × 33.4 mm, with 31 components from 18 distinct parts.

Its main chip is the ATmega32U4-MU, from the AVR/Arduino family. By type, the board carries 12 resistors, 10 capacitors, 4 diodes, 2 switches, 1 IC and 1 crystal.

From the project

HID device for easy loadout new MAC with setup script.

Bocal HIDKey, from the project README
From the project README

Main components on the Bocal HIDKey

ATmega32U4-MU

Bocal HIDKey bill of materials (BOM)

31 components, 18 distinct parts.

QtyPartRefs
1
ATmega32U4-MU
U1
1
Crystal_GND24_Small
Y1
1
USB_C_Receptacle_USB2.0
J1
1
RESET_SW
SW1
1
USER_SW
SW2
1
IP4220CZ6
D1
1
RXLED
D2
1
TXLED
D3
1
LED_RBAG
D4
1
10uF
C1
2
14pF
C2, C3
5
100n
C4, C5, C7, C9, C10
2
1uF
C6, C8
1
1M
R1
1
5K1
R2
2
22
R3, R4
3
10K
R5, R6, R12
5
1K
R7, R8, R9, R10, R11

Bocal HIDKey design files

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

Bocal HIDKey: common questions

What microcontroller does the Bocal HIDKey use?

The Bocal HIDKey is built around the ATmega32U4-MU, from the AVR/Arduino family.

How big is the Bocal HIDKey PCB?

The Bocal HIDKey measures 15.2 × 33.4 mm, has 2 copper layers and is 0.8 mm thick.

How many components are on the Bocal HIDKey?

31 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Bocal HIDKey design files?

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

Can I use the Bocal HIDKey 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 Bocal HIDKey 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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