2 layers174 × 58 mm
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Double combo pcb
matthewcieplak/double-combo3Eurorack EQ and amp simulator.
- Size
- 81 × 110 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 42
- Nets
- 50
- Pads
- 168
- Tracks, vias
- 356, 15
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 28 Oct 2024
- Updated
- 13 Apr 2025
Overview
Double combo pcb is an open-source printed circuit board by matthewcieplak, from the matthewcieplak/double-combo repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 81 × 110 mm with 42 parts on 50 nets, routed with 356 tracks and 15 vias.
Its parts include 7 resistors, 7 diodes, 6 connectors and 5 switches. It belongs with the audio and music boards of this library.
README
README.mdAmpSim
Author
Extralife Instruments
Description
Amp sim module for Eurorack using Daisy Patch.
Programming setup:
Plug the daisy patch into the PC using USB.
Download and install Zadig. Run it to install the USB driver.
Build and program the device from source in VS code or use the daisy web uploader.
Parts
42| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | R_Potentiometer | Potentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV1, RV2, RV3, RV4, RV5, RV6, RV7, RV8, RV9, RV10, RV11 |
| 7 | LED | LED_THT:LED_D3.0mm | D1, D2, D3, D4, D5, D6, D7 |
| 7 | R | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_Horizontal | R1, R2, R3, R4, R5, R6, R7 |
| 5 | AudioJack2_SwitchT | Connector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J1, J2, J3, J5, J6 |
| 5 | SW_Omron_B3FS | Button_Switch_THT:SW_TH_Tactile_Omron_B3F-10xx | SW1, SW2, SW3, SW4, SW5 |
| 4 | Conn_02x05_Counter_Clockwise | Connector_PinSocket_2.54mm:PinSocket_2x05_P2.54mm_Vertical | J_A1, J_B1, J_C1, J_D1 |
| 1 | EURO_PWR_2x5 | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J4 |
The 40 most common of 42 parts.
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Questions
How big is the Double combo pcb PCB?
It measures 81 × 110 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Double combo pcb use?
42 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 Double combo pcb KiCad files?
From the matthewcieplak/double-combo repository on GitHub, at the commit this page was made from: the board is double-combo-pcb/double-combo-pcb.kicad_pcb and its schematic double-combo-pcb/double-combo-pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Double combo pcb design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).