Kicad audio board adapter
khaosdoctor·kicad-audio-board-adapter
About the Kicad audio board adapter
Kicad audio board adapter is an open source PCB design by khaosdoctor, published on GitHub. It is a 2-layer board measuring 100 × 40 mm, with 22 components from 13 distinct parts.
By type, the board carries 8 connectors, 5 test points, 3 switches, 2 diodes, 2 capacitors and 1 resistor.
It belongs with the audio designs in this gallery.
From the project
Adapter for pedal making boards
KiCad project for a 9V-powered audio effects adapter board: input/output audio jacks, a true-bypass DPDT switch, two DIP switches, a trim potentiometer, an LED indicator, test points, and header connectors for interfacing with another board.
Interactive BOM: khaosdoctor.github.io/kicad-audio-board-adapter/bom/ibom.html
The board is a 2-layer PCB designed in KiCad 10.

Kicad audio board adapter bill of materials (BOM)
22 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Input_Jack | Jack_6.35mm_Neutrik_NMJ6HCD2_Horizontal | J1 |
| 1 | Output_Jack | Jack_6.35mm_Neutrik_NMJ6HCD2_Horizontal | J2 |
| 3 | PINHD_1x2_Female | PinSocket_1x02_P2.54mm_Vertical | J3, J4, J8 |
| 1 | Barrel_Jack_Switch | BarrelJack_GCT_DCJ200-10-A_Horizontal | J5 |
| 2 | PINHD_2x5_Male | PinHeader_2x05_P2.54mm_Vertical | J6, J7 |
| 1 | R_Potentiometer_Trim | Potentiometer_Bourns_3296W_Vertical | RV1 |
| 1 | DPDT | SW_5.8_5.8_DPDT | SW1 |
| 2 | SW_DIP_x01 | SW_DIP_SPSTx01_Slide_9.78x4.72mm_W7.62mm_P2.54mm | SW2, SW3 |
| 5 | TestPoint | TestPoint_Loop_D2.54mm_Drill1.5mm_Beaded | TP1, TP2, TP3, TP4, TP5 |
| 1 | LED_3mm | LED_D3.0mm | D1 |
| 1 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D2 |
| 2 | 47uF_25V | CP_Radial_D6.3mm_P2.50mm | C1, C2 |
| 1 | 10k | R_0.25W_Axial_Horizontal | R1 |
Kicad audio board adapter design files
The KiCad project lives in the khaosdoctor/kicad-audio-board-adapter repository on GitHub; these links point at the commit this page was built from.
- LayoutTwilight_Adapter.kicad_pcb
- SchematicTwilight_Adapter.kicad_sch
Kicad audio board adapter: common questions
How big is the Kicad audio board adapter?
The Kicad audio board adapter measures 100 × 40 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Kicad audio board adapter?
22 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Kicad audio board adapter design files?
From the khaosdoctor/kicad-audio-board-adapter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Kicad audio board adapter design in my own project?
The repository has no license, so all rights stay with khaosdoctor. Use it as a reference, and ask the author before reusing the design.
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