MX MIDI Guitar

by Ruiz Brothers and

published March 18, 2020, last edited January 22, 2025

posted in 3D Printing CircuitPython Arduino Compatibles/ Grand Central

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50

Intermediate

Project guide

Assemble Grand Central

Install Grand Central M4

Place the Grand Central M4 PCB into the bottom half of the guitar. Reference the photo for correct placement.

Secure Grand Central M4

Line up standoffs with mounting holes. Insert and fasten 4x M3 x 6mm screws into the bottom half of the guitar. Fasten tightly.

Connect Micro Switches for Strum

Reconnect the JST cables from the two micro switches.

Connect Whammy

Reconnect the JST cable from the whammy potentiometer.

Installing micro USB Extension

Get the microUSB extension cable ready to connect and panel mount.

Secure USB Cable

Use included hardware to panel mount the USB cable to the side of the guitar.

Installed USB Extension

Connect micro USB cable to the USB port on the Grand Central M4. Reference photo for best placement of the USB extension cable.

Page last edited March 08, 2024

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