Simble overdrive
vitaliy-bobrov·simble-overdrive
About the Simble overdrive PCB
Simble overdrive is an open source PCB design by vitaliy-bobrov, published on GitHub. It is a board measuring 48.3 × 69.9 mm, with 47 components from 33 distinct parts.
Other key parts include the TLC2272. By type, the board carries 14 resistors, 10 capacitors, 7 diodes, 2 transistors, 1 IC and 1 switch.
From the project
Simble Overdrive source files for KiCad
Simble an overdrive baced on Mad Professor Simble schematic traced by folks at FreeStompBoxes.org.
The repository contains KiCad source files: schematic, PCB, BOM.

Main components on the Simble overdrive
Simble overdrive bill of materials (BOM)
47 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TLC2272 | DIP-8_W7.62mm_Socket | U1 |
| 2 | 2N7000 | TO92 | Q1, Q2 |
| 1 | IN | PAD1 | H1 |
| 1 | 9V | PAD1 | H2 |
| 3 | GND | PAD1 | H3, H6, H8 |
| 2 | SW | PAD1 | H4, H11 |
| 1 | OUT | PAD1 | H5 |
| 1 | BI | PAD1 | H7 |
| 1 | JO | PAD1 | H9 |
| 1 | JI | PAD1 | H10 |
| 1 | BO | PAD1 | H12 |
| 1 | SWITCH-3PDT | 3PDT.LUGS.SPF | S1 |
| 1 | LED | LED_D5.0mm | D1 |
| 1 | 1N4007 | D_DO-41_SOD81_P10.16mm_Horizontal | D2 |
| 5 | BAT41 | D_DO-35_SOD27_P7.62mm_Horizontal | D3, D4, D5, D6, D7 |
| 2 | 220u | 0502 | C1, C5 |
| 2 | 47p | C_Disc_D6.0mm_W2.5mm_P5.00mm | C2, C6 |
| 1 | 8n2 | C_Disc_D6.0mm_W2.5mm_P5.00mm | C3 |
| 1 | 270n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C4 |
| 1 | 2n2 | C_Disc_D6.0mm_W2.5mm_P5.00mm | C7 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 100n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C8, C10 |
| 1 | 1n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C9 |
| 1 | 33k | 0.3%22.B | R1 |
| 1 | 2M2 | 0.3%22.B | R2 |
| 1 | 470k | 0.3%22.B | R3 |
| 1 | 4k7 | 0.3%22.B | R4 |
| 3 | 10k | 0.3%22.B | R5, R6, R12 |
| 2 | 820R | 0.3%22.B | R7, R8 |
| 1 | 8k2 | 0.3%22.B | R9 |
| 1 | 22k | 0.3%22.B | R10 |
| 1 | 18k | 0.3%22.B | R11 |
| 1 | 56k | 0.3%22.B | R13 |
| 1 | 1k | 0.3%22.B | R14 |
Simble overdrive design files
The KiCad project lives in the vitaliy-bobrov/simble-overdrive repository on GitHub; these links point at the commit this page was built from.
Simble overdrive: common questions
How big is the Simble overdrive PCB?
The Simble overdrive measures 48.3 × 69.9 mm and is 1.6002 mm thick.
How many components are on the Simble overdrive?
47 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the Simble overdrive design files?
From the vitaliy-bobrov/simble-overdrive repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Simble overdrive design in my own project?
The repository has no license, so all rights stay with vitaliy-bobrov. Use it as a reference, and ask the author before reusing the design.