Enclosure not stated · 4 knobs
Tim Escobedo PWM
Based on the Tim Escobedo PWM
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 16 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 5nF between IC1 and IC2 (rows E-F): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 5nF | 5n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N3904 | 2N3904 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | LM386 | LM386 | read from the layout by eye | |
| IC2 | 40106 | 40106 | read from the layout by eye | |
| Potentiometers 4 | ||||
| PWM | B500K | B500k | Potentiometer | read from the layout by eye |
| Rate | B500K | B500k | Potentiometer | read from the layout by eye |
| Depth | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |