Minisynth32-rear

grantek·minisynth32

Minisynth32-rear PCB layout, top view — open source board by grantek

About the Minisynth32-rear PCB

Minisynth32-rear 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 31.8 × 96 mm, with 15 components from 14 distinct parts.

Other key parts include the H11L1 and GY-PCM5102. By type, the board carries 5 connectors, 4 capacitors, 2 resistors, 1 IC, 1 module and 1 switch.

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…

Minisynth32-rear, from the project README — From the project README

Main components on the Minisynth32-rear

H11L1 GY-PCM5102

Minisynth32-rear bill of materials (BOM)

15 components, 14 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	PB400EEQR1BLK	PB400EEQR1BLK	SW2
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
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-rear design files

The KiCad project lives in the grantek/minisynth32 repository on GitHub; these links point at the commit this page was built from.

Layoutminisynth32-rear.kicad_pcb
BOMminisynth32-bom.csv

Minisynth32-rear: common questions

How big is the Minisynth32-rear PCB?

The Minisynth32-rear measures 31.8 × 96 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Minisynth32-rear?

15 components, from 14 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-rear 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-rear 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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