2 layers17 × 96.2 mm
Minisynth32-front
grantek/minisynth32
A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.
15 parts45CC-BY-SA-4.0
2 layers51.3 × 96.2 mm
Minisynth32
grantek/minisynth3245A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.
- Size
- 51.3 × 96.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 63
- Pads
- 147
- Tracks, vias
- 158, 0
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 8 May 2021
- Updated
- 4 Jun 2022
Overview
Minisynth32 is an open-source printed circuit board by grantek, from the grantek/minisynth32 repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 51.3 × 96.2 mm with 32 parts on 63 nets, routed with 158 tracks and 0 vias.
It is built around the H11L1, PB400EEQR1BLK and PJ-002A. Its parts include 11 switches, 9 connectors, 4 capacitors, 2 resistors and 1 IC. It belongs with the audio and music and retro computing and games boards of this library.
Main components
3
H11L1
DIP-6-55℃~+100℃ 1 1.6mA 1Mbit/s 250mW 3V~15V 5kV DC DIP-6 Logic Output Optoisolators ROHSEverlight ElectronicsLogic Output OptoisolatorsPB400EEQR1BLK
-- Push Button Switch ROHSE-SwitchPushbutton Switches
PJ-002A
插件-25℃~+85℃ 2.5A 24V 2mm 5.5mm DC Power Jack Right Angle 插件 DC Power Connectors ROHSCUIDC Power Connectors
README
README.mdMinisynth 32
A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.
Features
- 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 surface mount components
- Works with the Raspberry Pi "A" or "B" variants
Warnings
NO WARRANTY is provided, and no guarantee that all or any of the parts will fit together. 3D printing is time-consuming and an art at the best of times.
However, if you're stuck or have a question, feel free to open an issue on GitHub, and the worst you'll get is sympathy.
Assembly Notes
Check the Bill of Materials for all of the parts needed, and the project wiki for the build guide with pictures, a text-only copy is included in this repository.
News
This is "Version 2.0" of the Minisynth 32, the previous version had a simpler faceplate with 2 large, easy to print buttons. If you're looking for the old version, see the "ms32-v1.0" tag/release.
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | SW_Push | minisynth32:TL59N | SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10 |
| 2 | 100n | Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm | C2, C4 |
| 2 | VAL** | minisynth32:mouse-bite-2.54mm-slot | mouse-bite-2.54mm-slot, mouse-bite-2.54mm-slot |
| 1 | 100u | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C3 |
| 1 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 220R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | 470u 10V | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | B1 | minisynth32:TL59N | SW1 |
| 1 | B2 | minisynth32:TL59N | SW2 |
| 1 | Conn_02x20_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J2 |
| 1 | F_PANEL | minisynth32:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | GY-PCM5102 | minisynth32:GY-PCM5102 | A1 |
| 1 | H11L1 | Package_DIP:DIP-6_W7.62mm | U1 |
| 1 | MIDI_IN | minisynth32:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | PB400EEQR1BLK | minisynth32:PB400EEQR1BLK | SW11 |
| 1 | PJ-002A | minisynth32:CUI_PJ-002A | J3 |
| 1 | ROT_HDR | minisynth32:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | R_BREAKOUT | minisynth32:PinHeader_1x06_P2.54mm_Vertical | J6 |
| 1 | SSD1306 OLED | minisynth32:SSD1306_128_32 | J7 |
| 1 | UNUSED_1 | minisynth32:PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | UNUSED_2 | minisynth32:PinHeader_1x04_P2.54mm_Vertical | J8 |
The 31 most common of 32 parts.
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Questions
How big is the Minisynth32 PCB?
It measures 51.3 × 96.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Minisynth32 use?
32 parts, built around the H11L1, PB400EEQR1BLK and PJ-002A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Minisynth32 KiCad files?
From the grantek/minisynth32 repository on GitHub, at the commit this page was made from: the board is minisynth32.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Minisynth32 design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).