Fretboard
About the Fretboard PCB
Fretboard is an open source PCB design by mattybrad, published on GitHub. It is a 2-layer board measuring 46 × 186 mm, with 67 components from 6 distinct parts.
Other key parts include the 74HC165. By type, the board carries 31 connectors, 31 resistors, 4 ICs and 1 diode.
It belongs with the audio designs in this gallery.
From the project
A synthesizer/guitar hybrid. Somewhere between a MIDI guitar and a synthesizer. Not commercially viable. A time sink. A rabbit hole. An obsession. A mistake. An exercise in blind faith. A reason to tidy the shed. A sequel to a glass cannon.
Main components on the Fretboard
Fretboard bill of materials (BOM)
67 components, 6 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 74HC165 | SOIC-16_3.9x9.9mm_P1.27mm | U1, U2, U3, U4 |
| 1 | CONN_01X06_PIN Conn_01x06_Pin | jst zh fretboard connector | J1 |
| 30 | CONN_01X01_PIN Conn_01x01_Pin | Bjarkar_fret_connection | J2, J3, J4, J5, J6, J7, J8, J9 +22 |
| 1 | LED | LED_0805_2012Metric | D1 |
| 30 | 10K 10k | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +22 |
| 1 | 220R | R_0603_1608Metric | R31 |
Fretboard design files
The KiCad project lives in the mattybrad/bjarkardottir2 repository on GitHub; these links point at the commit this page was built from.
Fretboard: common questions
How big is the Fretboard PCB?
The Fretboard measures 46 × 186 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Fretboard?
67 components, from 6 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 Fretboard design files?
From the mattybrad/bjarkardottir2 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 Fretboard design in my own project?
The repository has no license, so all rights stay with mattybrad. Use it as a reference, and ask the author before reusing the design.
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