HardLabs

Piano MIDI Driver

bmgxyz·self-playing-piano·eda/midi-driver/midi-driver.kicad_pcb

Piano MIDI Driver PCB layout, top view — open source NXP board by bmgxyz

About the Piano MIDI Driver PCB

Piano MIDI Driver is an open source NXP PCB design by bmgxyz, published on GitHub. It is a 2-layer board measuring 75 × 21 mm, with 4 components from 3 distinct parts.

Its main chip is the Teensy41, from the NXP family. By type, the board carries 2 resistors, 1 IC and 1 connector.

It belongs with the audio designs in this gallery.

From the project

A machine that presses piano keys to make music

Piano MIDI Driver bill of materials (BOM)

4 components, 3 distinct parts.

QtyPartRefs
1
~
U1
1
Conn_01x04_Socket
J1
2
10k
R1, R2

Piano MIDI Driver design files

The KiCad project lives in the bmgxyz/self-playing-piano repository on GitHub; these links point at the commit this page was built from.

Piano MIDI Driver: common questions

What microcontroller does the Piano MIDI Driver use?

The Piano MIDI Driver is built around the Teensy41, from the NXP family.

How big is the Piano MIDI Driver PCB?

The Piano MIDI Driver measures 75 × 21 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Piano MIDI Driver?

4 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Piano MIDI Driver design files?

From the bmgxyz/self-playing-piano repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Piano MIDI Driver design in my own project?

The repository has no license, so all rights stay with bmgxyz. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Piano MIDI Driver without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.

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