1590B · 5 knobs
Conductor's Hand
Based on the Valve Wizard Engineer's Thumb· 8 other boards clone it
- Category
- Utility
- Difficulty
- Easy
- Price
- see vendorin stock
From the vendor
This board is designed to be the full-featured Engineer’s Thumb (version 1) by Valve Wizard. It has five external pots and a switch.
Schematic
The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 36 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| R1 | 10M | 10M | ||
| R2 | 1k | 1k | ||
| R3 | 1M | 1M | ||
| R4 | 1M | 1M | ||
| R6 | 1k | 1k | ||
| R7 | 10k | 10k | ||
| R8 | 220R | 220 | ||
| R9 | 1k | 1k | ||
| R11 | 100R | 100 | ||
| R13 | 1k | 1k | ||
| R14 | 1k | 1k | ||
| R15 | 1M | 1M | ||
| R16 | 10k | 10k | ||
| R18 | 10k | 10k | ||
| Capacitors 8 | ||||
| C1 | 10n | 10n | ||
| C2 | 100p | 100p | ||
| C3 | 10u | 10u | ||
| C4 | 1u | 1u | ||
| C5 | 1u | 1u | ||
| C6 | 47u | 47u | ||
| C7 | 100n | 100n | ||
| C8 | 4n7 | 4.7n | ||
| Diodes 4 | ||||
| D1 | 1N4148 | 1N4148 | ||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D4 | 1N400x | 1N400X | ||
| Transistors 1 | ||||
| Q1 | 2N3906 | 2N3906 | ||
| ICs 2 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | TL072 | TL072 | ||
| Potentiometers 5 | ||||
| ATTACK | B100K | B100k | Potentiometer | |
| LEVEL | A10K | A10k | Potentiometer | |
| RATIO | A1M | A1M | Potentiometer | |
| RELEASE | B1M | B1M | Potentiometer | |
| THRESHOLD | B1M | B1M | Potentiometer | |
| LEDs 2 | ||||
| D7 | 3mm Red LED | 3MM RED LED | ||
| D8 | 3mm Red LED | 3MM RED LED | ||
Other boards based on the Valve Wizard Engineer's Thumb
- Nomad Aion FX · 125B · $12.50
- Valve Wizard Engineer's Thumb Effects Layouts (blog) · 125B
- Engineers Thumb Five Cats Pedals · 1590B · £4.50
- Engineer's Thumb Compressor Fuzz Dog · 1590B · £39.60
- Engineer's Thumb Compressor JMK PCBs · 1590B · $12.00
- Mini Comp JMK PCBs
- Thumb Sucker Compressor PedalPCB · 125B · $12.00
- Engineer's Thumb Tagboard Effects · 1590B