Published April 27, 2025 © MIT

3D Printed BLE Media Control Keyboard (ESPHome, OpenSCAD)

A tiny media control bar based on ESPHome, OpenSCAD, ESP32-C3

IntermediateWork in progress1 hour187

3D Printed BLE Media Control Keyboard (ESPHome, OpenSCAD)

Things used in this project

Hardware components

ESP32-C3 Super Mini

Low-profile Cherry MX Switch

Low-profile Keycap

Generic Mouse Rotary Encoder

3-pin, H5.5mm x W9.5mm

Φ1.75mm PLA filament

Used as the shaft for the knob. A short piece is needed.

Φ3mm x 6mm Magnet

M2 x 6mm Self tapping screws

Software apps and online services

ESPHome

OpenSCAD

Hand tools and fabrication machines

3D Printer (generic)

Story

A tiny media control bar based on ESPHome.

4 Keys + 1 Rotary Encoder Knob
Acts as a BLE Keyboard with WiFi connectivity (ESP32-C3 Super Mini)
Seamless Home Assistant integration via ESPHome
Customizable 3D Printed Enclosure designed in OpenSCAD

Repo (ESPHome package, OpenSCAD .scad and .stl files): https://github.com/likeablob/mini-media-control-bar

Schematics

Code

Credits

likeablob

2 projects • 2 followers

3D Printed BLE Media Control Keyboard (ESPHome, OpenSCAD)

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Custom parts and enclosures

OpenSCAD models

Schematics

KiCAD schematics

Code

likeablob/mini-media-control-bar

Credits

likeablob

Comments

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3D Printed BLE Media Control Keyboard (ESPHome, OpenSCAD)

3D Printed BLE Media Control Keyboard (ESPHome, OpenSCAD)

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Custom parts and enclosures

OpenSCAD models

Schematics

KiCAD schematics

Code

likeablob/mini-media-control-bar

Credits

likeablob

Comments

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