KOSMO Roundhouse
About the KOSMO Roundhouse PCB
KOSMO Roundhouse is an open source PCB design by sebastianbeyer, published on GitHub. It is a 2-layer board measuring 75 × 200 mm, with 149 components from 58 distinct parts.
Other key parts include the TL072, AS3340, TL074 and LM13700. By type, the board carries 79 resistors, 30 capacitors, 11 connectors, 8 transistors, 7 ICs and 6 diodes.
It belongs with the audio designs in this gallery.
From the project
KOSMO diy modular synth version of Befaco Kickall
Main components on the KOSMO Roundhouse
KOSMO Roundhouse bill of materials (BOM)
149 components, 58 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | TL072 | DIP-8_W7.62mm_Socket_LongPads | U1, U4, U7 |
| 1 | AS3340 | DIP-16_W7.62mm_Socket_LongPads | U2 |
| 1 | TL074 | DIP-14_W7.62mm_Socket_LongPads | U3 |
| 2 | LM13700 | DIP-16_W7.62mm_Socket_LongPads | U5, U6 |
| 4 | 2N3904 | TO-92_Inline_Wide | Q1, Q2, Q5, Q6 |
| 4 | 2N3906 | TO-92_Inline_Wide | Q3, Q4, Q7, Q8 |
| 1 | trig | Jack_6.35mm_PJ_629HAN_slots | J1 |
| 1 | Synth_power_2x5 | Power_Header | J2 |
| 1 | pitch cv | Jack_6.35mm_PJ_629HAN_slots | J3 |
| 1 | decay cv | Jack_6.35mm_PJ_629HAN_slots | J4 |
| 1 | cv_shape | Jack_6.35mm_PJ_629HAN_slots | J5 |
| 1 | accent | Jack_6.35mm_PJ_629HAN_slots | J6 |
| 1 | OUT | Jack_6.35mm_PJ_629HAN_slots | J7 |
| 2 | Conn_01x08_Female | PinSocket_1x08_P2.54mm_Vertical | J8, J10 |
| 2 | Conn_01x08_Male | PinHeader_1x08_P2.54mm_Vertical | J9, J11 |
| 1 | accent: sum or replace | PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | 10k | Potentiometer_Bourns_3296Z_Horizontal | RV1 |
| 1 | pitch 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_centered | RV2 |
| 1 | 100k shape | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_centered | RV4 |
| 1 | time 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_centered | RV5 |
Show 38 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | bend 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_centered | RV6 |
| 1 | SW_D6R90 | SW_D6R90_F1_LFS | SW1 |
| 1 | R_SLIDE_POT_LED | Potentiometer_Bourns_PTL6015_Single_Slide_LED_walpha | RV7 |
| 2 | 1N5817 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2 |
| 4 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D3, D4, D5, D6 |
| 15 | 100n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C4, C8, C19, C20, C21, C22, C23 +7 |
| 4 | 10u | CP_Radial_horizontalflat_D5mm_P2.50mm_H10mm_south | C2, C3, C12, C17 |
| 4 | 10n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C5, C9, C10, C11 |
| 4 | 1u | C_Rect_L7.2mm_W7.2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C6, C13, C14, C18 |
| 1 | 1n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C7 |
| 1 | 10p | C_Disc_D3.0mm_W1.6mm_P2.50mm | C15 |
| 1 | 4.7u | CP_Radial_horizontalflat_D5mm_P2.50mm_H10mm_south | C16 |
| 2 | 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R36 |
| 1 | 5.6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 2 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R10 |
| 2 | 680 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R32 |
| 17 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R14, R16, R18, R19, R23, R42, R44 +9 |
| 1 | 1.8k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
| 8 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7, R8, R45, R46, R60, R62, R64, R65 |
| 1 | 240k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9 |
| 17 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11, R12, R15, R26, R28, R30, R31, R35 +9 |
| 1 | 680k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13 |
| 2 | 120k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R17, R27 |
| 6 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R20, R24, R34, R37, R38, R70 |
| 3 | 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R21, R43, R67 |
| 1 | 82k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R22 |
| 2 | 15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R25, R78 |
| 1 | 27k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R29 |
| 1 | 330k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R33 |
| 1 | 4.3k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R40 |
| 1 | 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R41 |
| 1 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R47 |
| 3 | 43k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R51, R54, R63 |
| 1 | 390 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R52 |
| 1 | 33k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R59 |
| 1 | 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R66 |
| 1 | LED | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R71 |
| 1 | 3.3k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R72 |
KOSMO Roundhouse design files
The KiCad project lives in the sebastianbeyer/KOSMO_Roundhouse repository on GitHub; these links point at the commit this page was built from.
- Layoutkickall.kicad_pcb
- Schematickickall.kicad_sch
KOSMO Roundhouse: common questions
How big is the KOSMO Roundhouse PCB?
The KOSMO Roundhouse measures 75 × 200 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the KOSMO Roundhouse?
149 components, from 58 distinct parts. The full bill of materials is listed on this page.
Where can I download the KOSMO Roundhouse design files?
From the sebastianbeyer/KOSMO_Roundhouse repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the KOSMO Roundhouse design in my own project?
The repository has no license, so all rights stay with sebastianbeyer. Use it as a reference, and ask the author before reusing the design.
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