HackGrid

The HackGrid is a custom keyboard that uses the MIDI protocol instead of HID. This means that instead of typing letters, you can use it to control audio softwares, such as software synths or DAWs.

Features

• MIDI Compatibility
• Easy configuration with settings.toml
• OLED screen with lots of information!

Exploded view:

PCB/Schematic

This is the Schematic and PCB made in KiCad.

Schematic

PCB

Design:

Rendered:

Case

The case was designed in Autosdesk Fusion.

BOM

Here is the Bill of Materials to make the HackGrid:

• 12 * 1N4148 DO-35 Diodes
• 11 * Cherry MX switches
• 11 * DSA Keycaps
• 04 * M3x16 Bolt
• 04 * M3 Heatset
• 01 * EC11 Rotary Encoder
• 01 * 0.91" 128x32 OLED Display (SSD1306)
• 01 * Seeed Studio XIAO RP2040 MCU
• 01 * Case (1 top, 1 base)
• 01 * PCB