HardLabs

${Title}

llescano·esp32-drumpad·import/edrumulus/hardware/prototype_3hhh/kicad/edrumulus_3hhh.kicad_pcb

${Title} PCB layout, top view — open source board by llescano

About the ${Title} PCB

${Title} is an open source PCB design by llescano, published on GitHub. It is a 2-layer board measuring 120 × 70 mm, with 92 components from 4 distinct parts.

By type, the board carries 53 resistors, 36 diodes and 3 connectors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

ESP32-S3 E-Drum Trigger System with Positional Sensing - Port of Edrumulus algorithms

PCBA design of the edrumulus circuit with modifications by 3hhh to be used with a Teensy 4.1 with soldered pins.

- size: 12x7cm - price: ~30 EUR plus shipping and tariffs (~10 EUR to EU) at https://jlcpcb.com/ for 5 units (2025) - little soldering required: - female socket for the Teensy 4.1 - SMD components intended for assembly at the manufacturer - all 18 Teensy 4.1 analog inputs are connected to respective edrumulus circuits - female header as "breakout" connector to the drum hardware via DuPont jumper wires: Standard 6,3mm Jack stereo cables can relatively easily be soldered to three…

${Title} bill of materials (BOM)

92 components, 4 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
CONN_01X24_SOCKET
Conn_01x24_Socket
J1, J2, J3
36
C191023
D
D1, D2, D3, D4, D5, D6, D7, D8 +28
48
10K
10k
R1, R2, R8, R9, R11, R12, R13, R14 +40
5
100K
100k
R3, R4, R5, R6, R7

${Title} design files

The KiCad project lives in the llescano/esp32-drumpad repository on GitHub; these links point at the commit this page was built from.

${Title}: common questions

How big is the ${Title} PCB?

The ${Title} measures 120 × 70 mm, has 2 copper layers and is 1.600198 mm thick.

How many components are on the ${Title}?

92 components, from 4 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 ${Title} design files?

From the llescano/esp32-drumpad repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the ${Title} design in my own project?

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

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