HardLabs

Spectrogram right

keebio·quefrency-rev1-pcb·spectrogram-right/spectrogram-right.kicad_pcb

Spectrogram right PCB layout, top view — open source AVR/Arduino board by keebio
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About the Spectrogram right PCB

Spectrogram right is an open source AVR/Arduino PCB design by keebio, published on GitHub under the MIT license. It is a 2-layer board measuring 159.5 × 99.4 mm, with 91 components from 17 distinct parts.

Its main chip is the ProMicro, from the AVR/Arduino family. Other key parts include the TRRS. By type, the board carries 47 LEDs, 5 test points and 2 ICs.

From the project

Quefrency Rev. 1 Keyboard PCB =============================

Quefrency Rev. 1 Keyboard PCB =============================

Files are provided as-is, as I haven't fully had the chance to clean everything up. The working name of the Quefrency was Spectrogram, hence some of the files being marked with that name.

If anyone wants to clean things up, go ahead and submit a PR. Thanks!

Main components on the Spectrogram right

TRRSProMicro

Spectrogram right bill of materials (BOM)

91 components, 17 distinct parts.

QtyPartRefs
1
TRRS
U1
1
ProMicro
U2
37
D
D_A1, D_A2, D_A3, D_A4, D_A5, D_A6, D_A7, D_A8 +29
1
VCC
TP1
1
GND
TP3
1
RGB
TP4
1
B5
TP5
1
Extra Data
TP6
33
SW_Push
SW_A1, SW_A2, SW_A3, SW_A4, SW_A5, SW_A6, SW_A7, SW_AB8 +25
1
SW_Push
SW_A8
2
SW_Push
SW_B8, SW_E2
1
SW_Push
SW_C8
1
SW_Push
SW_D7
2
SW_Push
SW_DB7, SW_DC6
1
SW_Push
SW_E1
5
SW_Push
SW_E4, SW_E5, SW_E7, SW_E8, SW_EB1
1
Reset
SW_R1

Spectrogram right design files

The KiCad project lives in the keebio/quefrency-rev1-pcb repository on GitHub; these links point at the commit this page was built from.

Spectrogram right: common questions

What microcontroller does the Spectrogram right use?

The Spectrogram right is built around the ProMicro, from the AVR/Arduino family.

How big is the Spectrogram right PCB?

The Spectrogram right measures 159.5 × 99.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Spectrogram right?

91 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Spectrogram right design files?

From the keebio/quefrency-rev1-pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Spectrogram right design in my own project?

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

Can I test firmware for the Spectrogram right 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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