HardLabs

SubSequence

marangisto·SubSequence

SubSequence PCB layout, top view — open source AVR/Arduino board by marangisto

About the SubSequence PCB

SubSequence is an open source AVR/Arduino PCB design by marangisto, published on GitHub under the MIT license. It is a 2-layer board measuring 80.3 × 100 mm, with 52 components from 12 distinct parts.

Its main chip is the ATmega328PB-AU, from the AVR/Arduino family. By type, the board carries 16 diodes, 11 resistors, 9 switches, 4 capacitors, 3 connectors and 1 IC.

From the project

Modular Sequencer Sub-Module

Main components on the SubSequence

ATmega328PB-AU

SubSequence bill of materials (BOM)

52 components, 12 distinct parts.

QtyPartRefs
1
ATmega328PB-AU
U1
2
Conn_02x03_Odd_Even
J1, J2
1
Conn_01x03
J3
8
100k
RV1, RV2, RV3, RV4, RV5, RV6, RV7, RV8
1
SW_Push
SW1
8
SW_SPDT_MSM
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9
8
LED
D1, D2, D3, D4, D5, D6, D7, D8
8
1N4148
D9, D10, D11, D12, D13, D14, D15, D16
3
100n
C1, C2, C3
1
10u
C4
3
10k
R1, R10, R11
8
330
R2, R3, R4, R5, R6, R7, R8, R9

SubSequence design files

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

SubSequence: common questions

What microcontroller does the SubSequence use?

The SubSequence is built around the ATmega328PB-AU, from the AVR/Arduino family.

How big is the SubSequence PCB?

The SubSequence measures 80.3 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SubSequence?

52 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the SubSequence design files?

From the marangisto/SubSequence repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the SubSequence design in my own project?

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

Can I test firmware for the SubSequence 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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