HardLabs

Beat sequencer

GuavTek·beat_sequencer·hardware_mx/beat_sequencer.kicad_pcb

Beat sequencer PCB layout, top view — open source RP2040/RP2350 board by GuavTek

About the Beat sequencer PCB

Beat sequencer is an open source RP2040/RP2350 PCB design by GuavTek, published on GitHub. It is a 2-layer board measuring 304.2 × 124.6 mm, with 346 components from 10 distinct parts.

Its main chip is the RaspberryPi_Pico2, from the RP2040/RP2350 family. By type, the board carries 160 diodes, 82 switches, 80 capacitors, 14 resistors, 9 transistors and 1 module.

From the project

A MIDI sequencer for percussion using a RP-PICO, WS2812 LEDs, and cherry style keyboard switches

Main components on the Beat sequencer

RaspberryPi_Pico2

Beat sequencer bill of materials (BOM)

346 components, 10 distinct parts.

QtyPartRefs
1
RaspberryPi_Pico2
A1
9
2N7002
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +1
1
SW_SPST
SW1
80
SW_SPST
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 +72
1
RotaryEncoder_Switch_MP
SW74
80
WS2812B
D1, D2, D3, D4, D5, D6, D7, D8 +72
80
D_Schottky
D81, D82, D83, D84, D85, D86, D87, D88 +72
80
100n
C1, C2, C3, C4, C5, C6, C7, C8 +72
1
NC
R1
13
10k
R2, R3, R4, R5, R6, R7, R8, R9 +5

Beat sequencer design files

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

Beat sequencer: common questions

What microcontroller does the Beat sequencer use?

The Beat sequencer is built around the RaspberryPi_Pico2, from the RP2040/RP2350 family.

How big is the Beat sequencer PCB?

The Beat sequencer measures 304.2 × 124.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Beat sequencer?

346 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Beat sequencer design files?

From the GuavTek/beat_sequencer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Beat sequencer design in my own project?

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

Can I test firmware for the Beat sequencer without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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