Big muff pi
About the Big muff pi PCB
Big muff pi is an open source PCB design by ostojaatanasijevic, published on GitHub. It is a 2-layer board measuring 80 × 100 mm, with 76 components from 32 distinct parts.
By type, the board carries 27 resistors, 19 capacitors, 11 transistors, 8 connectors, 4 diodes and 1 battery holder.
Big muff pi bill of materials (BOM)
76 components, 32 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | MMBT5551 | SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 3 | AO3401A | SOT-23 | Q6, Q8, Q10 |
| 3 | AO3400A | SOT-23 | Q12, Q13, Q14 |
| 2 | Jack_6.35 | Jack_6.35mm | J1, J2 |
| 1 | top_panel_connector | IDC-Header_2x08_P2.54mm_Vertical | J6 |
| 2 | Conn_01x01_Socket | TestPoint_THTPad_D2.5mm_Drill1.2mm | J7, J8 |
| 1 | Barrel_Jack_Switch | BarrelJack | J9 |
| 1 | front_panel | front_plate | P1 |
| 1 | bottom_panel | bottom_plate | P2 |
| 1 | Battery_Cell | BatteryHolder_Eagle_12BH611-GR | BT1 |
| 5 | MountingHole | M3_hole_with_spacer | H1, H2, H3, H4, H5 |
| 1 | pedala_switch | foot_switch_tht_no_pad | SW1 |
| 4 | 1N4148WS | D_SOD-323 | D1, D2, D3, D5 |
| 3 | 470P 470p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C5, C9 |
| 4 | 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C6, C8 |
| 5 | 100N 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C7, C10, C11, C18 |
| 1 | 4.7N 4.7n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12 |
| 1 | 10N 10n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13 |
| 3 | 10U 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C14, C16, C17 |
| 2 | 470u | CP_Radial_D8.0mm_P3.50mm | C19, C20 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 47K 47k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R3 |
| 1 | 100 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 4 | 470K 470k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R9, R14, R19 |
| 5 | 10K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R7, R10, R12, R15 |
| 2 | 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R24 |
| 5 | 100K 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8, R13, R18, R23, R27 |
| 2 | 150 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11, R16 |
| 1 | 39K 39k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17 |
| 1 | 15K 15k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R20 |
| 1 | 3.3K 3.3k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R21 |
| 1 | 22K 22k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R22 |
| 2 | 2.2K 2.2k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R25, R26 |
Big muff pi design files
The KiCad project lives in the ostojaatanasijevic/big_muff_pi repository on GitHub; these links point at the commit this page was built from.
Big muff pi: common questions
How big is the Big muff pi PCB?
The Big muff pi measures 80 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Big muff pi?
76 components, from 32 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 Big muff pi design files?
From the ostojaatanasijevic/big_muff_pi 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 Big muff pi design in my own project?
The repository has no license, so all rights stay with ostojaatanasijevic. Use it as a reference, and ask the author before reusing the design.
