Polykit x controlboard

polykit·polykit-x-controlboard

Polykit x controlboard PCB layout, top view — open source board by polykit

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About the Polykit x controlboard PCB

Polykit x controlboard is an open source PCB design by polykit, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 200 × 160 mm, with 68 components from 10 distinct parts.

Other key parts include the MCP23017_SO. By type, the board carries 34 resistors, 22 switches, 4 connectors, 4 diodes, 2 ICs and 2 capacitors.

It belongs with the audio designs in this gallery.

From the project

Control board schematics and PCB for my polyphonic synthesizer

THIS IS NOT A FINISHED PRODUCT IN ANY WAY AND STILL UNDER HEAVY DEVELOPMENT - USE AT YOUR OWN RISK!

This repository contains Kicad schematics and PCB layout of a control board for a polyphonic synthesizer.

There is a video playlist on the design process https://makertube.net/w/p/3N2fRjXwT2SfAUv2VkMy3e

Voice Card: https://github.com/polykit/polykit-x-voice-card Main Board: https://github.com/polykit/polykit-x-mainboard Input Board: soon Software: soon * Power Supply: https://github.com/polykit/eurorack-psu

Polykit x controlboard, from the project README — From the project README

Main components on the Polykit x controlboard

Polykit x controlboard bill of materials (BOM)

68 components, 10 distinct parts.

Qty	Part	Footprint	Refs
2	MCP23017_SO	SOIC-28W_7.5x17.9mm_P1.27mm	U1, U2
1	MCU_BOARD	PinHeader_1x16_P2.54mm_Vertical	J1
1	X8_I2C_POWER	IDC-Header_2x05_P2.54mm_Vertical	J2
1	X8_EXT_DIGITAL	IDC-Header_2x05_P2.54mm_Vertical	J3
1	DISPLAY	PinHeader_1x04_P2.54mm_Vertical	J4
6	SW_Push	SW_PUSH_6mm_H13mm	SW1, SW2, SW3, SW4, SW5, SW6
16	RotaryEncoder	RotaryEncoder_Alps_EC12E_Vertical_H20mm	SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14 +8
4	1N4148WS	D_SOD-323	D1, D2, D3, D4
2	100n	C_1206_3216Metric	C1, C2
34	10k	R_1206_3216Metric_Pad1.30x1.75mm_HandSolder	R1, R2, R3, R4, R5, R6, R7, R8 +26

Polykit x controlboard design files

The KiCad project lives in the polykit/polykit-x-controlboard repository on GitHub; these links point at the commit this page was built from.

Layoutpolykit-x-controlboard.kicad_pcb
Schematicpolykit-x-controlboard.kicad_sch

Polykit x controlboard: common questions

How big is the Polykit x controlboard PCB?

The Polykit x controlboard measures 200 × 160 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Polykit x controlboard?

68 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Polykit x controlboard design files?

From the polykit/polykit-x-controlboard repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Polykit x controlboard design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

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