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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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STD volume/wah/expression pedal wiring
License: Public Domain
Mode: Editors' pick
- 1
Update time：
2021-08-27 13:00:12
Creation time：
2020-03-08 07:57:41
Description
schematic used to make my expression pedal.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | Stereo Volume/ Expression In | AUDIO1 | 1 |
| 2 | Mono Volume In | AUDIO2 | 1 |
| 3 | PJ-320B | AUDIO3 | 1 |
| 4 | Volume Out | AUDIO4 | 1 |
| 5 | Wah Out | AUDIO5 | 1 |
| 6 | 10n | C1,C3 | 2 |
| 7 | 22pf | C2 | 1 |
| 8 | 4.7u | C4 | 1 |
| 9 | 220nf | C5,C6 | 2 |
| 10 | 10nf | C7 | 1 |
| 11 | 10u | C8 | 1 |
| 12 | 1N4739A-G_AY_10001 | D1 | 1 |
| 13 | DC005-2.0MM | DC1 | 1 |
| 14 | 500mH | L1 | 1 |
| 15 | MPSA13G | Q1 | 1 |
| 16 | MPSA18G | Q2,Q3 | 2 |
| 17 | 250K | R1 | 1 |
| 18 | 250K | R2,R3 | 2 |
| 19 | 2M2 | R4 | 1 |
| 20 | 1M8 | R5 | 1 |
| 21 | 1K | R6,R17 | 2 |
| 22 | 68K | R7 | 1 |
| 23 | 10K | R8,R16 | 2 |
| 24 | 1K5 | R9 | 1 |
| 25 | 22K | R10 | 1 |
| 26 | 390 | R11 | 1 |
| 27 | 470K | R12,R15 | 2 |
| 28 | 33K | R13 | 1 |
| 29 | 82K | R14 | 1 |
| 30 | SW_DPDT_x2 | SW1 | 1 |
| 31 | Foot Switch | SW2 | 1 |
| 32 | 4p3t rotary switch | U1 | 1 |
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