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2 layers70 × 50 mmMother board, the printed circuit board in 3D

A teensy3.6 based MIDI controller that accepts 4 expression pedals, and has a 5x5 button array with addressable LEDs, four rotary controllers, a USB host port, and a 3.5" touchscreen.

Size
70 × 50 mm
Copper layers
2
Thickness
1.6 mm
Parts
19
Nets
46
Pads
110
Tracks, vias
232, 18
Pours
1
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
3 Oct 2020
Updated
9 Mar 2025

Overview

Mother board is an open-source printed circuit board by phorton1, from the phorton1/Arduino-teensyExpression repository on GitHub. It is a 2-layer board of 70 × 50 mm with 19 parts on 46 nets, routed with 232 tracks and 18 vias.

Its parts include 9 connectors, 5 resistors and 1 IC. It belongs with the audio and music boards of this library.

Parts

19
QtyValueFootprintReferences
410K0_my_footprints:myResistorR1, R2, R3, R4
11000_my_footprints:myResistorR5
1EXPR0_my_footprints:myPinSocket_1x06J1
1LEDS0_my_footprints:myPinSocket_1x03J5
1ROTARY120_my_footprints:myPinSocket_1x05J6
1ROTARY340_my_footprints:myPinSocket_1x05J7
1SERIAL0_my_footprints:myPinSocket_1x03J4
1SW_IN0_my_footprints:myPinSocket_1x05J9
1SW_OUT0_my_footprints:myPinSocket_1x05J8
1TFT_CONTROL0_my_footprints:myJSTx08J2
1TFT_DATA0_my_footprints:myJSTx08J3
1myTeensy3.60_my_teensy:myTeensy3.6U1

The 15 most common of 19 parts.

More from phorton1/Arduino-teensyExpression

4
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    phorton1/Arduino-teensyExpression

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  • 2 layers20 × 24 mmHost board, the printed circuit board in 3D

    Host board

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Questions

How big is the Mother board PCB?

It measures 70 × 50 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Mother board use?

19 parts. 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 Mother board KiCad files?

From the phorton1/Arduino-teensyExpression repository on GitHub, at the commit this page was made from: the board is docs/kicad/mother_board/mother_board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Mother board design in my own project?

Its repository states no licence, so its author keeps all rights: ask phorton1 before reusing the design.