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29 Pedals EUNAVerified
Based on the 29 Pedals EUNA· 2 other boards clone it
From the post
This one has been requested A LOT... Schematic is avaiable HERE.
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 28 rows
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Check before you build · 3 values the reader of this layout was not sure of
- 1uF caps: five on the board, two drawn as yellow tantalum beads (column 5 row F, column 19 row F) and three as red film boxes (left edge rows E-G, top row B, right edge rows K-M); the legend says '1uF ... caps are tantalum', which may mean only the two polarized ones
- 3pF at the top left (column 2): printed clearly, unusual value
- 11K at the top left (column 3): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×4 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 11K | 11k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×3 | 3.3M | 3.3M | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 3pF | 3p | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×3 | 1uF | 1u | read from the layout by eye | |
| ×2 | 1uF | 1u | tantalum; read from the layout by eye | |
| ×6 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | tantalum; read from the layout by eye | |
| ×1 | 47uF | 47u | tantalum; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| D4 | 1N5817 | 1N5817 | read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TC1044SCPA | TC1044SCPA | read from the layout by eye | |
| Switches 3 | ||||
| SW B | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| SW H | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| SW L | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the 29 Pedals EUNA
- 29 Buffer Five Cats Pedals · 1590B · £4.50
- Skeptical Buffer PedalPCB · 125B · $12.00