2 layers58 × 110 mm
2 layers58 × 110 mm
Brain ui split pulse
shmoergh/moduleur222Fully analog DIY-friendly modular synth
- Size
- 58 × 110 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 60
- Nets
- 63
- Pads
- 169
- Tracks, vias
- 360, 28
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 1 Jun 2025
- Updated
- 27 Oct 2026
Overview
Brain ui split pulse is an open-source printed circuit board by shmoergh, from the shmoergh/moduleur repository on GitHub. It is a 2-layer board of 58 × 110 mm with 60 parts on 63 nets, routed with 360 tracks and 28 vias.
Its parts include 18 resistors, 8 connectors, 7 transistors and 6 diodes. It belongs with the audio and music boards of this library.
README
modules/08-default-patch/README.mdHog Moduleur / Default Patch
An optional passive PCB which connects the modules of the Shmøergh Moduleur. This essentially creates a default patch which makes the Moduleur playable without patch cables.
How to Build
Module specific instructions
🐛 3D model bug in schematics
The current version of the 3D model has two bugs:
- It incorrectly uses dual row headers. Single row, long pin headers should be used on the BACK side of the PCB so that it can connect to the UI board through the holes on the Core board.
- The side of the ADSR+VCA1, ADSR+VCA2 and UTILS pin headers are wrong. All pin headers should be soldered on the BACK side of the PCB.
License
Open source licensed under CC BY-NC 4.0.
Feel free to fork, build, and tweak.
Latest module version
v1.0
Parts
60| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline_Wide | Q1, Q2, Q3, Q4, Q5, Q6, Q8 |
| 6 | 4.7k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5, R6, R9, R10, R13, R14 |
| 6 | 47k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4, R7, R8, R11, R12 |
| 6 | LED | LED_THT:LED_D3.0mm | D1, D2, D3, D4, D5, D6 |
| 5 | PJ398SM | Shmoergh_Custom_Footprints:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J_AUDIO_CV_IN1, J_AUDIO_CV_IN2, J_AUDIO_CV_OUT1, J_AUDIO_CV_OUT2, J_PULSE_IN1 |
| 4 | LOGO | Shmoergh_Logo:Gyeszno | G***, G***, G***, G*** |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1, H2, H3, H4 |
| 3 | 100k | Shmoergh_Custom_Footprints:Potentiometer_Bourns_Single-PTV09A | RV_POT1, RV_POT2, RV_POT3 |
| 3 | Conn_02x03_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x03_P2.54mm_Vertical | J1, J5, J8 |
| 2 | 10k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R16 |
| 2 | 1k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R18 |
| 2 | Conn_01x02 | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J2, J3 |
| 2 | Conn_02x02_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x02_P2.54mm_Vertical | J4, J6 |
| 2 | PJ366ST | Shmoergh_Custom_Footprints:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J_MIDI1, J_PULSE_OUT1 |
| 1 | 3.3k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15 |
| 1 | 7.5k | Shmoergh_Custom_Footprints:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R17 |
| 1 | Conn_01x01 | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | J_EXTRA_PULSE9 |
| 1 | Conn_02x05_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x05_P2.54mm_Vertical | J7 |
| 1 | SW_SPST_Push | Shmoergh_Custom_Footprints:SPST_Circular_Pushbutton_LED | U_BTN2 |
| 1 | SW_SPST_Push_LED | Shmoergh_Custom_Footprints:SPST_Circular_Pushbutton_LED | U_BTN1 |
Questions
How big is the Brain ui split pulse PCB?
It measures 58 × 110 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Brain ui split pulse use?
60 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Brain ui split pulse KiCad files?
From the shmoergh/moduleur repository on GitHub, at the commit this page was made from: the board is modules/07-brain/electronics/ui-split-pulse/brain-ui-split-pulse.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Brain ui split pulse design in my own project?
Its repository states no licence, so its author keeps all rights: ask shmoergh before reusing the design.
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