Dark Rabbit Chorus
About the Dark Rabbit Chorus PCB
Dark Rabbit Chorus is an open source PCB design by PancakeLegend, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 50 × 100 mm, with 84 components from 36 distinct parts.
Other key parts include the TL072, PT2399 and L7805. By type, the board carries 34 resistors, 28 capacitors, 6 diodes, 5 ICs, 4 connectors and 2 transistors.
It belongs with the audio designs in this gallery.
From the project
A modular synth project
Main components on the Dark Rabbit Chorus
Dark Rabbit Chorus bill of materials (BOM)
84 components, 36 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | TL072 | DIP-8_W7.62mm_LongPads | U1, U2, U3 |
| 1 | PT2399 | DIP-16_W7.62mm_LongPads | U4 |
| 1 | L7805 | L7805 - TO-220-3_Horizontal_TabDown | U5 |
| 2 | BC337 | TO-92_Inline - Handsolder | Q1, Q2 |
| 1 | IN | Jack_3.5mm | J1 |
| 1 | OUT | Jack_3.5mm | J2 |
| 2 | Conn_01x03 | JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J3, J4 |
| 3 | 10k | Potentiometer_Alps_RK09K_Horizontal | RV1, RV2, RV4 |
| 1 | 1M | Potentiometer_Alps_RK09K_Horizontal | RV3 |
| 1 | SW_SPDT | Switch SPDT - SMTS-102 | SW1 |
| 5 | 1N4148 | D_Vertical_P2.54mm | D1, D2, D3, D4, D5 |
| 1 | 1N4002 | D_A-405_P7.62mm_Horizontal | D6 |
| 1 | 220nF | C_Ceramic_D4.5mm_P5.00mm | C1 |
| 2 | 68pF | C_Ceramic_D4.5mm_P5.00mm | C2, C3 |
| 2 | 220pF | C_Ceramic_D4.5mm_P5.00mm | C4, C10 |
| 4 | 2.2nF | C_Ceramic_D4.5mm_P5.00mm | C5, C8, C14, C18 |
| 2 | 680pF | C_Ceramic_D4.5mm_P5.00mm | C6, C9 |
| 1 | 1uF | CP_Radial_D4.0mm_P1.50mm | C7 |
| 3 | 10nF | C_Ceramic_D4.5mm_P5.00mm | C11, C19, C21 |
| 3 | 1µF | C_Ceramic_D4.5mm_P5.00mm | C12, C13, C22 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 100nF | C_Ceramic_D4.5mm_P5.00mm | C15, C17, C20, C25 |
| 1 | 2µ2 | C_Ceramic_D4.5mm_P5.00mm | C16 |
| 1 | 10uF 25v | CP_Radial_D4.0mm_P1.50mm | C23 |
| 1 | 1uF 50v | CP_Radial_D4.0mm_P1.50mm | C24 |
| 2 | 47µF | CP_Radial_D5.2mm_P2.50mm_LayDown | C26, C28 |
| 1 | 10µF | CP_Radial_D5.2mm_P2.50mm_LayDown_Mirror | C27 |
| 10 | 100k | R_Vertical_P2.54mm | R1, R2, R3, R5, R11, R14, R15, R19 +2 |
| 2 | 22k | R_Vertical_P2.54mm | R4, R6 |
| 2 | 1k | R_Vertical_P2.54mm | R7, R8 |
| 10 | 10k | R_Vertical_P2.54mm | R9, R12, R18, R21, R26, R27, R28, R30 +2 |
| 2 | 33k | R_Vertical_P2.54mm | R10, R13 |
| 2 | 56k | R_Vertical_P2.54mm | R16, R20 |
| 1 | 1M | R_Vertical_P2.54mm | R17 |
| 2 | 4.7k | R_Vertical_P2.54mm | R22, R24 |
| 1 | 220R | R_Vertical_P2.54mm | R25 |
| 2 | 15k | R_Vertical_P2.54mm | R31, R34 |
Dark Rabbit Chorus design files
The KiCad project lives in the PancakeLegend/HackSynth repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCAD/Chorus/Chorus.kicad_pcb
- SchematicKiCAD/Chorus/Chorus.kicad_sch
Dark Rabbit Chorus: common questions
How big is the Dark Rabbit Chorus PCB?
The Dark Rabbit Chorus measures 50 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Dark Rabbit Chorus?
84 components, from 36 distinct parts. The full bill of materials is listed on this page.
Where can I download the Dark Rabbit Chorus design files?
From the PancakeLegend/HackSynth repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Dark Rabbit Chorus design in my own project?
Yes, under the terms of its GPL-3.0 license, which PancakeLegend chose for the repository.
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