HardLabs

SuperLyra

Malevolti·SuperLyra·pcb/hotswap/superlyra-hs.kicad_pcb

SuperLyra PCB layout, top view — open source AVR/Arduino board by Malevolti
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About the SuperLyra PCB

SuperLyra is an open source AVR/Arduino PCB design by Malevolti, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 391.1 × 134.8 mm, with 199 components from 17 distinct parts.

Its main chip is the ATMEGA32U4-MU, from the AVR/Arduino family. Other key parts include the SRV05-4. By type, the board carries 90 switches, 90 diodes, 6 capacitors, 6 resistors, 2 ICs and 2 connectors.

It belongs with the keyboards designs in this gallery.

From the project

90 key ergo keyboard

A custom mechanical ergo keyboard by Dom.

SuperLyra, from the project README
From the project README

Main components on the SuperLyra

ATMEGA32U4-MUSRV05-4

SuperLyra bill of materials (BOM)

199 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA32U4-MU
ATmega32U4-MU
Microchip Tech
U1
1
SRV05-4
Tech Public
U2
1
CSTNE16M0V530000R0
16mhz
Murata Electronics
Y1
1
TYPE-C-31-M-12
USB_C_Receptacle_USB2.0
Korean Hroparts Elec
J1
1
AVR-ISP-6
J2
1
BSMD0402L-020
Polyfuse_Small
BHFUSE
F1
88
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +80
2
SW_Push
SW79, SW84
1
TS-1187A-B-A-B
SW_Push
XKB Connectrivity
SWRST1
90
1N4148W
D_Small_ALT
Changjiang Electronics Tech
D1, D2, D3, D4, D5, D6, D7, D8 +82
1
CC0402KRX5R5BB105
1u
YAGEO
C1
3
0.1u
C2, C3, C4
1
GRM155C80J106ME11D
10u
Murata Electronics
C5
1
CC0402KRX5R7BB104
0.1u
YAGEO
C6
2
RC0402JR-0722RL
22
YAGEO
R1, R2
2
RC0402JR-0710KL
10k
YAGEO
R3, R4
2
0402WGF5101TCE
5.1k
UNI_ROYAL
R5, R6

SuperLyra design files

The KiCad project lives in the Malevolti/SuperLyra repository on GitHub; these links point at the commit this page was built from.

SuperLyra: common questions

What microcontroller does the SuperLyra use?

The SuperLyra is built around the ATMEGA32U4-MU, from the AVR/Arduino family.

How big is the SuperLyra PCB?

The SuperLyra measures 391.1 × 134.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SuperLyra?

199 components, from 17 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 SuperLyra design files?

From the Malevolti/SuperLyra repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the SuperLyra design in my own project?

Yes, under the terms of its GPL-3.0 license, which Malevolti chose for the repository.

Can I test firmware for the SuperLyra 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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