Minisynth32
About the Minisynth32 PCB
Minisynth32 is an open source PCB design by grantek, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 51.3 × 96.2 mm, with 30 components from 22 distinct parts.
Other key parts include the H11L1 and GY-PCM5102. By type, the board carries 11 switches, 9 connectors, 4 capacitors, 2 resistors, 1 IC and 1 module.
It belongs with the audio, dev boards & breakouts and displays & leds designs in this gallery.
From the project
A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.
A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.
3D printable shell, 50% scale of the original MT-32 GY-PCM5102 HiFi DAC board Front panel PCB with 2-10 tactile switches and 0.91" OLED Display Optional 2- or 10-button clickable front panel (only 2 buttons are functional) Rear I/O breakout PCB with 5.5mm power jack and pushbutton power switch Rotary encoder volume dial (generic 12mm shaft with no carrier board) MIDI Input via DIN5 MIDI cable or USB (using additional Arduino board) Completely through-hole soldering, no…
Main components on the Minisynth32
Minisynth32 bill of materials (BOM)
30 components, 22 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | H11L1 | DIP-6_W7.62mm | U1 |
| 1 | GY-PCM5102 | GY-PCM5102 | A1 |
| 1 | F_PANEL | PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | Conn_02x20_Odd_Even | PinSocket_2x20_P2.54mm_Vertical | J2 |
| 1 | PJ-002A | CUI_PJ-002A | J3 |
| 1 | ROT_HDR | PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | MIDI_IN | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | R_BREAKOUT | PinHeader_1x06_P2.54mm_Vertical | J6 |
| 1 | SSD1306 OLED | SSD1306_128_32 | J7 |
| 1 | UNUSED_2 | PinHeader_1x04_P2.54mm_Vertical | J8 |
| 1 | UNUSED_1 | PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | B1 | TL59N | SW1 |
| 1 | B2 | TL59N | SW2 |
| 8 | SW_Push | TL59N | SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10 |
| 1 | PB400EEQR1BLK | PB400EEQR1BLK | SW11 |
| 1 | VAL** | mouse-bite-2.54mm-slot | mouse-bite-2.54mm-slot |
| 1 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | 470u 10V | CP_Radial_D8.0mm_P3.50mm | C1 |
| 2 | 100n | C_Rect_L7.0mm_W2.0mm_P5.00mm | C2, C4 |
| 1 | 100u | CP_Radial_D6.3mm_P2.50mm | C3 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 220R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
Minisynth32 design files
The KiCad project lives in the grantek/minisynth32 repository on GitHub; these links point at the commit this page was built from.
Minisynth32: common questions
How big is the Minisynth32 PCB?
The Minisynth32 measures 51.3 × 96.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Minisynth32?
30 components, from 22 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Minisynth32 design files?
From the grantek/minisynth32 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Minisynth32 design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which grantek chose for the repository.
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