This is an analog guitar pedal based on the Boss HM-2, using the schematics of the project "The Swede" as main reference.
The Printed Circuit Board of version v1.0 of the project can be seen below:
This PCB was a courtesy of PCBWay.
| ID | Designator | Quantity | Description |
|---|---|---|---|
| 1 | C16 | 1 | Capacitor Film 100nF 25V |
| 2 | R16,R21 | 2 | Resistor 68k 1/4W 1% |
| 3 | C23 | 1 | Capacitor Electrolytic 100uF 25V |
| 4 | C8,C6,C2,C1,C21 | 5 | Capacitor Film 47nF 25V |
| 5 | C11 | 1 | Capacitor Film 1nF 25V |
| 6 | Q1 | 1 | 2N5457 |
| 7 | R26,R35,R24,R10,R4,R14,R1,R36,R20,R19 | 10 | Resistor 10k 1/4W 1% |
| 8 | D8,D4,D1,D7,D2 | 5 | 1N4148 |
| 9 | Q3 | 1 | 2N3906 |
| 10 | D5,D6 | 2 | 1N34A, 1N60, D9E, etc. (Germanium Diodes) |
| 11 | R23,R22 | 2 | Resistor 3k3 1/4W 1% |
| 12 | C24,C5,C20 | 3 | Capacitor Electrolytic 10uF 25V |
| 13 | R7 | 1 | Resistor 22R 1/4W 1% |
| 14 | R2 | 1 | Resistor 1M 1/4W 1% |
| 15 | C12,C10,C22 | 3 | Capacitor Electrolytic 1uF 25V |
| 16 | R30,R34,R38,R32 | 4 | Resistor 330R 1/4W 1% |
| 17 | R12,R28,R29,R33,R5 | 5 | Resistor 100k 1/4W 1% |
| 18 | R18 | 1 | Resistor 220k 1/4W 1% |
| 19 | C19 | 1 | Capacitor Film 4.7nF 25V |
| 20 | U2,U3,U1 | 3 | M5218L |
| 21 | C4 | 1 | Capacitor Electrolytic 47uF 25V |
| 22 | R27,R9 | 2 | Resistor 1k 1/4W 1% |
| 23 | D3 | 1 | 1N4001 |
| 24 | R13,R6,R25 | 3 | Resistor 470k 1/4W 1% |
| 25 | R17 | 1 | Resistor 47k 1/4W 1% |
| 26 | VR1 | 1 | Potentiometer Anti-Log 250k |
| 27 | R31 | 1 | Resistor 82k 1/4W 1% |
| 28 | C13 | 1 | Capacitor Ceramic 470pF 25V |
| 29 | C7,C3,C9 | 3 | Capacitor Ceramic 100pF 25V |
| 30 | R8 | 1 | Resistor 150R 1/4W 1% |
| 31 | VR3,VR2 | 2 | Potentiometer Linear 50k |
| 32 | R11,R3 | 2 | Resistor 22k 1/4W 1% |
| 33 | C17 | 1 | Capacitor Film 68nF 25V |
| 34 | VR4 | 1 | Potentiometer Log 10k |
| 35 | C14 | 1 | Capacitor Electrolytic 1.5uF 25V |
| 36 | C18 | 1 | Capacitor Film 6.8nF 25V |
| 37 | R15 | 1 | Resistor 120R 1/4W 1% |
| 38 | Q2,Q4 | 2 | 2N3904 |
| 39 | C15 | 1 | Capacitor Film 150nF 25V |
This project is licensed under CERN Open Hardware License, version 2.