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2 layersSchematic Fuzz 1509B, the printed circuit board in 3D

Schematic Fuzz 1509B

devilmollusk/fuzz_e_neuron

this is a clone of the Fuzz Fixer build by PCB Guitar Mania with some fixes added and a cleaned up schematic

Copper layers
2
Thickness
1.6 mm
Parts
58
Nets
42
Pads
132
Tracks, vias
0, 0
Pours
2
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
7 Apr 2026
Updated
7 Apr 2026

Overview

Schematic Fuzz 1509B is an open-source printed circuit board by devilmollusk, from the devilmollusk/fuzz_e_neuron repository on GitHub. It is a 2-layer board with 58 parts on 42 nets.

It is built around the MPS2222A and MPSA13. Its parts include 21 resistors, 11 capacitors, 8 connectors, 5 transistors and 4 switches.

Main components

2

Parts

58
QtyValueFootprintReferences
6100nFmonkey_pedals:C_MLCC_D4.3mm_W1.9mm_P5.00mmC1, C3, C5, C7, C9, C11
52Mmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR1, R3, R4, R7, R10
3100Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR11, R13, R18
310Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR6, R8, R9
3GNDPCM_SparkFun-Connector:1x01_P2.54mmJ6, J7, J8
22N5088Package_TO_SOT_THT:TO-92L_Inline_WideQ1, Q5
239Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR14, R16
2470Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR2, R17
2MPS2222Package_TO_SOT_THT:TO-92L_Inline_WideQ3, Q4
1monkey_pedals:1590B
1+PCM_SparkFun-Connector:1x01_P2.54mmJ1
1-PCM_SparkFun-Connector:1x01_P2.54mmJ2
110 Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR20
110 nFmonkey_pedals:C_MLCC_D4.3mm_W1.9mm_P5.00mmC8
1100 Rmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR19
1100KAmonkey_pedals:POT_16MMVR5
1100KBmonkey_pedals:POT_16MMVR4
110KAmonkey_pedals:POT_16MMVR3
11Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR15
11KAmonkey_pedals:POT_16MMVR2
11KBmonkey_pedals:POT_16MMVR1
11N5817Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1
11N914Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD3
1220nFmonkey_pedals:C_MLCC_D4.3mm_W1.9mm_P5.00mmC4
1220umonkey_pedals:CP_Electro_Radial_D5.0mm_P2.50mmC2
13.3 nFmonkey_pedals:C_MLCC_D4.3mm_W1.9mm_P5.00mmC6
13.9Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR5
133Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR12
147Kmonkey_pedals:RES_0.25watt_L3.6mm_D1.6mm_P7.62mm_HorizontalR21
147pmonkey_pedals:C_CERAMIC_DISC_D3.0mm_W1.6mm_P2.50mmC10
1BOOSTmonkey_pedals:DPDT.LUGSSW1
1FILTERmonkey_pedals:DPDT.LUGSSW4
1FUZZ1monkey_pedals:DPDT.LUGSSW2
1FUZZ2monkey_pedals:DPDT.LUGSSW3
1INPCM_SparkFun-Connector:1x01_P2.54mmJ4
1LEDLED_THT:LED_D5.0mm_ClearD2
1MPSA13Package_TO_SOT_THT:TO-92L_Inline_WideQ2
1OUTPCM_SparkFun-Connector:1x01_P2.54mmJ5
1SWPCM_SparkFun-Connector:1x01_P2.54mmJ3

Questions

What parts does the Schematic Fuzz 1509B use?

58 parts, built around the MPS2222A and MPSA13. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Schematic Fuzz 1509B KiCad files?

From the devilmollusk/fuzz_e_neuron repository on GitHub, at the commit this page was made from: the board is Schematic Fuzz_1509B.kicad_pcb and its schematic fuzz_e_neuron.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Schematic Fuzz 1509B design in my own project?

Its repository states no licence, so its author keeps all rights: ask devilmollusk before reusing the design.

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