# Modern Distortion Effects Pedal \| Intermediate \[Example\]

## Description

Low\-noise electric guitar distortion pedal with gain, tone, and volume controls\. Relay true bypass with soft\-touch foot switch, anti\-pop mute, and symmetrical clipping\. OPA1656 op\-amps, separated analog/digital supplies, and ATtiny412 control logic keep noise to a minimum\.

## Project Details

- **Owner:** example\-user
- **Created:** 9/25/2026
- **Last Updated:** 9/25/2026
- **Visibility:** Public
- **Part Type:** Silkscreen
- **Background Style:** Filled Box
- **Width Size:** 12\.7mm / 0\.5in
- **Exclude from Pick & Place:** true
- **Logo Design:** Made with Flux
- **Exclude from BOM:** true

## Key Components

### CN1 — [NMJ6HCD2](https://flux.ai/lcsc/nmj6hcd2~6g3l.md)

- Part Type: Audio Connectors
- LCSC Part Number: C368502
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/3c40b9bfed368875d5f1b5215141870741b93dd5913cd123a76e3ee3053a74ba\.pdf
- Package or Case Code: AUDIO\-TH\_NMJ6HCD2
- Symbol Style: parametric\-v1
- Manufacturer Part Number: NMJ6HCD2
- Manufacturer Name: NEUTRIK\(优曲克\)

**Pins:**
- R [pin 2]
- RN [pin 5]
- S [pin 3]
- SN [pin 6]
- T [pin 1]
- TN [pin 4]

### CN2 — [NMJ6HCD2](https://flux.ai/lcsc/nmj6hcd2~6g3l.md)

- Part Type: Audio Connectors
- LCSC Part Number: C368502
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/3c40b9bfed368875d5f1b5215141870741b93dd5913cd123a76e3ee3053a74ba\.pdf
- Package or Case Code: AUDIO\-TH\_NMJ6HCD2
- Symbol Style: parametric\-v1
- Manufacturer Part Number: NMJ6HCD2
- Manufacturer Name: NEUTRIK\(优曲克\)

**Pins:**
- R [pin 2]
- RN [pin 5]
- S [pin 3]
- SN [pin 6]
- T [pin 1]
- TN [pin 4]

### D1 — [F182\-68](https://flux.ai/lcsc/f182-68~fzbt.md)

- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6056534a40c3f80564a88a58083b761fa7e45a6ee6c0131c5211d07bb2e8ed3c\.pdf
- LCSC Part Number: C88163
- Package or Case Code: LED\-TH\_BD4\.0\-P2\.50\-RD
- Part Type: LED
- JLCPCB Part Class: Extended Part
- Manufacturer Name: EVERLIGHT\(亿光\)
- Manufacturer Part Number: 333\-2SYGD

**Pins:**
- A [pin 2]
- C [pin 1]

### D2 — 1N4148WS\-7\-F

- Manufacturer Name: Diodes Incorporated
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.diodes\.com/assets/Datasheets/1N4148WS\_BAV16WS\.pdf
- Manufacturer Part Number: 1N4148WS\-7\-F
- Part Type: Diode

**Pins:**
- A [pin 2]
- K [pin 1]

### D3 — 1N4148W\-13\-F

- Manufacturer Name: DIODES\(美台\)
- LCSC Part Number: C112342
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: 1N4148W\-13\-F
- Package or Case Code: SOD\-123\_L2\.7\-W1\.6\-LS3\.7\-RD
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Diodes\-Incorporated\-1N4148W\-13\-F\_C112342\.pdf
- Part Type: Switching Diode
- Product Info Url: https://lcsc\.com/product\-detail/Switching\-Diode\_DIODES\_1N4148W\-13\-F\_1N4148W\-13\-F\_C112342\.html

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### D4 — 1N4148W\-13\-F

- Manufacturer Name: DIODES\(美台\)
- LCSC Part Number: C112342
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: 1N4148W\-13\-F
- Package or Case Code: SOD\-123\_L2\.7\-W1\.6\-LS3\.7\-RD
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Diodes\-Incorporated\-1N4148W\-13\-F\_C112342\.pdf
- Part Type: Switching Diode
- Product Info Url: https://lcsc\.com/product\-detail/Switching\-Diode\_DIODES\_1N4148W\-13\-F\_1N4148W\-13\-F\_C112342\.html

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### H1 — [PZ254V\-11\-03P](https://flux.ai/lcsc/pz254v-11-03p~zco6.md)

- Connector Type: Wire\-to\-board Header Connector
- Manufacturer Name: XFCN\(兴飞\)
- Gender: Male
- Manufacturer Part Number: PZ254V\-11\-03P
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/27123ecec511773706a2a621c09628dd20ac139b549314eaa66474b12ec38c41\.pdf
- Part Type: Pin Headers
- LCSC Part Number: C2937625
- Package or Case Code: HDR\-TH\_3P\-P2\.54\-V\-M
- Pitch: 2\.54mm
- Rows: 1
- Positions: 3
- Symbol Style: parametric\-v1
- JLCPCB Part Class: Extended Part

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

### J1 — PJ\-037AH 7218

- Manufacturer Part Number: PJ\-037AH
- Part Type: Connector
- Manufacturer Name: Same Sky \(Formerly CUI Devices\)
- Datasheet URL: https://www\.sameskydevices\.com/product/resource/pj\-037ah\.pdf

**Pins:**
- center [pin 1]
- SLEEVE [pin 2]

### K1 — [G6S\-2F DC5](https://flux.ai/cherepanyadima/g6s-2f-dc5~4p.md)

- Part Type: Electromechanical Components
- Manufacturer Name: Omron Electronics Inc\-EMC Div
- Mount: Surface Mount
- Symbol Style: Parametric
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/b018c66d027a89999c3ccdeb68170d283cf86038916f48c580a748412e95925c\.pdf
- Manufacturer Part Number: G6S\-2F DC5

**Pins:**
- 1 \+ [pin 1]
- 12 \- [pin 12]
- COM1 [pin 4]
- COM2 [pin 9]
- NCl1 [pin 3]
- NCl2 [pin 10]
- NO1 [pin 5]
- NO2 [pin 8]

### LED1 — [333\-2SYGD/S530\-E2\-L](https://flux.ai/lcsc/333-2sygds530-e2-l~k0zu.md)

- Manufacturer Part Number: 333\-2SYGD/S530\-E2\-L 
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1810311720\_Everlight\-Elec\-333\-2SYGC\-S530\-E2\_C282148\.pdf
- JLCPCB Part Class: Extended Part
- Manufacturer Name: EVERLIGHT\(亿光\)
- LCSC Part Number: C99697
- Part Type: Light Emitting Diodes \(LED\)
- Product Info Url: https://lcsc\.com/product\-detail/Others\_Everlight\-Elec\-333\-2SYGC\-S530\-E2\_C282148\.html
- Package or Case Code: LED\-TH\_BD6\.2\-P2\.54\-FD

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### Q1 — AO3401A

- Manufacturer Part Number: AO3401A
- Part Type: Transistor
- Datasheet URL: https://www\.aosmd\.com/sites/default/files/res/datasheets/AO3401A\.pdf
- Manufacturer Name: Alpha & Omega Semicon
- LCSC Part Number: C15127

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### Q2 — [BC817\-40LT3G](https://flux.ai/lcsc/bc817-40lt3g~rxjq.md)

- Manufacturer Name: onsemi\(安森美\)
- Part Type: Bipolar Transistors \- BJT
- Product Info Url: https://lcsc\.com/product\-detail/Transistors\-NPN\-PNP\_ON\_BC817\-40LT3G\_BC817\-40LT3G\_C146798\.html
- LCSC Part Number: C146798
- Manufacturer Part Number: BC817\-40LT3G
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1810301515\_onsemi\-BC817\-40LT3G\_C146798\.pdf
- Package or Case Code: SOT\-23\-3\_L2\.9\-W1\.6\-P1\.90\-LS2\.8\-BR
- JLCPCB Part Class: Extended Part

**Pins:**
- B [pin 1]
- C [pin 3]
- E [pin 2]

### S1 — [FS5700SPMT2B2M2QE](https://flux.ai/silicon-yard/fs5700spmt2b2m2qe~vg.md)

- Manufacturer Name: E\-Switch
- Part Type: Switch
- Mount: Through Hole
- Datasheet URL: https://www\.mouser\.com/datasheet/3/315/1/FS5700SPMT2B2M2QE\.pdf
- Manufacturer Part Number: FS5700SPMT2B2M2QE

**Pins:**
- COM [pin 2]
- N\.C\. [pin 1]
- N\.O\. [pin 3]

### U1 — TPS70950DBVR

- Datasheet URL: https://www\.ti\.com/general/docs/suppproductinfo\.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww\.ti\.com%2Flit%2Fgpn%2Ftps709
- Manufacturer Name: Texas Instruments
- Manufacturer Part Number: TPS70950DBVR
- Part Type: Integrated Circuit
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- EN [pin 3]
- GND [pin 2]
- IN [pin 1]
- NC [pin 4]
- OUT [pin 5]

### U2 — [ATTINY212\-SSN](https://flux.ai/cherepanyadima/attiny212-ssn~8b.md)

- Part Type: Microcontroller
- Manufacturer Part Number: ATTINY212\-SSN
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://ww1\.microchip\.com/downloads/en/DeviceDoc/ATtiny212\-412\-DataSheet\-DS40001911B\.pdf
- Manufacturer Name: Microchip

**Pins:**
- \~RESET\~/PA0 [pin 6]
- GND [pin 8]
- PA1 [pin 4]
- PA2 [pin 5]
- PA3 [pin 7]
- PA6 [pin 2]
- PA7 [pin 3]
- VCC [pin 1]

### U3 — [AQY212GSZ](https://flux.ai/lcsc/aqy212gsz~k488.md)

- Product Info Url: https://lcsc\.com/product\-detail/SMD\-Optocouplers\_PANASONIC\_AQY212GSZ\_AQY212GSZ\_C129283\.html
- Manufacturer Name: PANASONIC\(松下\)
- Package or Case Code: SOP\-4\_L4\.3\-W4\.4\-P2\.54\-LS7\.0\-BL
- Manufacturer Part Number: AQY212GSZ
- Symbol Style: parametric\-v1
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1810010411\_PANASONIC\-AQY212GSZ\_C129283\.pdf
- Part Type: Solid State Relays \- MOS Output \(PhotoMOS\)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C129283

**Pins:**
- A [pin 1]
- C [pin 2]
- D [pin 4]
- D [pin 3]

### U5 — OPA1656IDR 0c3d

- Part Type: Integrated Circuits
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/opa1655\.pdf
- Manufacturer Part Number: OPA1656IDR
- Manufacturer Name: Texas Instruments

**Pins:**
- \-INA [pin 2]
- \-INB [pin 6]
- \+INA [pin 3]
- \+INB [pin 5]
- OUTA [pin 1]
- OUTB [pin 7]
- V\- [pin 4]
- V\+ [pin 8]

### U6 — OPA1656IDR 0c3d

- Part Type: Integrated Circuits
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/opa1655\.pdf
- Manufacturer Part Number: OPA1656IDR
- Manufacturer Name: Texas Instruments

**Pins:**
- \-INA [pin 2]
- \-INB [pin 6]
- \+INA [pin 3]
- \+INB [pin 5]
- OUTA [pin 1]
- OUTB [pin 7]
- V\- [pin 4]
- V\+ [pin 8]

### VR1 — [RK09D1130A1N](https://flux.ai/silicon-yard/rk09d1130a1n~bm.md)

- LCSC Part Number: C470306
- LCSC Part Number: C470306
- Symbol Style: parametric\-v1
- Manufacturer Name: ALPS Electric
- Manufacturer Part Number: RK09D1130A1N
- Part Type: Variable Resistor
- Datasheet URL: https://www\.mouser\.com/catalog/specsheets/Alps%20Alpine\_05\_05\_2026\_A700000006606834\.pdf?\_gl=1\*111ggyj\*\_gcl\_aw\*R0NMLjE3ODcyNTA5MTIuQ2p3S0NBand5NXJVQmhCNUVpd0FJb0F0Q2w4TU0tWmJvNkdKTE1mUFZHQjlCSlBlcHYyMzdSQjRLdmc1MXhJV1VfcEdqME5oTC1rMy1Sb0M1bVFRQXZEX0J3RQ\.\.\*\_gcl\_dc\*R0NMLjE3ODY4OTc4NTkuQ01fNGdLREpwWllERlNibzJ3RWR5NkVtVkE\.\*\_gcl\_au\*NjQwMjQyODU4LjE3ODQwMzM3MzEuMTkyNzgzMTk5Ni4xNzg2MzA5OTg4LjE3ODYzMDk5ODcuMjcyMTA0NDY4LjE3ODYzMDk5ODguMTc4NjMwOTk4Nw\.\.\*\_ga\*MTcxNTc1MjAxMi4xNzg0MDMzNzMy\*\_ga\_15W4STQT4T\*czE3ODc1MTI3NTYkbzM3JGcxJHQxNzg3NTEyNzY1JGo1MSRsMCRoMA\.\.

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

### VR2 — [RK09D1130A1N](https://flux.ai/silicon-yard/rk09d1130a1n~bm.md)

- LCSC Part Number: C470306
- Symbol Style: parametric\-v1
- Manufacturer Name: ALPS Electric
- Manufacturer Part Number: RK09D1130A1N
- Part Type: Variable Resistor
- Datasheet URL: https://www\.mouser\.com/catalog/specsheets/Alps%20Alpine\_05\_05\_2026\_A700000006606834\.pdf?\_gl=1\*111ggyj\*\_gcl\_aw\*R0NMLjE3ODcyNTA5MTIuQ2p3S0NBand5NXJVQmhCNUVpd0FJb0F0Q2w4TU0tWmJvNkdKTE1mUFZHQjlCSlBlcHYyMzdSQjRLdmc1MXhJV1VfcEdqME5oTC1rMy1Sb0M1bVFRQXZEX0J3RQ\.\.\*\_gcl\_dc\*R0NMLjE3ODY4OTc4NTkuQ01fNGdLREpwWllERlNibzJ3RWR5NkVtVkE\.\*\_gcl\_au\*NjQwMjQyODU4LjE3ODQwMzM3MzEuMTkyNzgzMTk5Ni4xNzg2MzA5OTg4LjE3ODYzMDk5ODcuMjcyMTA0NDY4LjE3ODYzMDk5ODguMTc4NjMwOTk4Nw\.\.\*\_ga\*MTcxNTc1MjAxMi4xNzg0MDMzNzMy\*\_ga\_15W4STQT4T\*czE3ODc1MTI3NTYkbzM3JGcxJHQxNzg3NTEyNzY1JGo1MSRsMCRoMA\.\.

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

### VR3 — [RK09D117000C](https://flux.ai/silicon-yard/rk09d117000c~n1.md)

- Symbol Style: parametric\-v1
- Manufacturer Name: Alps Alpine
- Manufacturer Part Number: RK09D117000C
- Part Type: Variable Resistor
- Datasheet URL: https://www\.mouser\.com/catalog/specsheets/Alps%20Alpine\_05\_05\_2026\_A700000006606834\.pdf?\_gl=1\*111ggyj\*\_gcl\_aw\*R0NMLjE3ODcyNTA5MTIuQ2p3S0NBand5NXJVQmhCNUVpd0FJb0F0Q2w4TU0tWmJvNkdKTE1mUFZHQjlCSlBlcHYyMzdSQjRLdmc1MXhJV1VfcEdqME5oTC1rMy1Sb0M1bVFRQXZEX0J3RQ\.\.\*\_gcl\_dc\*R0NMLjE3ODY4OTc4NTkuQ01fNGdLREpwWllERlNibzJ3RWR5NkVtVkE\.\*\_gcl\_au\*NjQwMjQyODU4LjE3ODQwMzM3MzEuMTkyNzgzMTk5Ni4xNzg2MzA5OTg4LjE3ODYzMDk5ODcuMjcyMTA0NDY4LjE3ODYzMDk5ODguMTc4NjMwOTk4Nw\.\.\*\_ga\*MTcxNTc1MjAxMi4xNzg0MDMzNzMy\*\_ga\_15W4STQT4T\*czE3ODc1MTI3NTYkbzM3JGcxJHQxNzg3NTEyNzY1JGo1MSRsMCRoMA\.\.

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/example\-user/modern\-distortion\-effects\-pedal\-or\-intermediate\-example\~c1](https://flux.ai/example-user/modern-distortion-effects-pedal-or-intermediate-example~c1).*

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*Generated from [https://flux\.ai/example\-user/modern\-distortion\-effects\-pedal\-or\-intermediate\-example\~c1](https://flux.ai/example-user/modern-distortion-effects-pedal-or-intermediate-example~c1)*