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STD volume/wah/expression pedal wiring

License: Public Domain

Mode: Editors' pick

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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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