DIY drum machine sequencer with samples: Difference between revisions

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== Introduction ==
== Introduction ==
Teensy based drum machine/ sequencer (groovebox?) with high quality samples
The knobs:
* Bpm
* Play/ record
* Free rhythm / on beat
* Track number selection
* Length: 8 / 16 beats
* number showing current step
* Drums; shown below.
* Display? showing the situation
The drums included (see https://en.wikipedia.org/wiki/List_of_percussion_instruments)
# Bass Drum https://samplefocus.com/samples/bass-drum-hit?search_id=199954966
# Bongo Drum
# Cajon Drum
# Castanets
# Conga Drums
# Cowbell https://samplefocus.com/samples/cowbell-f92f5f7b-5be6-44b7-bd5c-055dab612e55?search_id=199955024
# Cymbals https://samplefocus.com/samples/bright-soft-crash?search_id=199954863
# Djembe Drum
# Gongs
# Hi-hat
# Maracas
# Snare Drum https://samplefocus.com/samples/snare-drum-phonk-hit
# Steelpan https://samplefocus.com/samples/steel-pan-drum-15?search_id=199954909
# Tambourine
# Triangle
# Woodblock
== Material ==
=== ===
<gallery>
Teensy groovebox.png|The plan. Note that also the svg version is available.
</gallery>
* 0.91" OLED Display module 128x32 px. I2C (SSD1306 driver).  36 x 12.5 (mm)
* Teensy 4.1 - No ethernet
* Audio Adapter board for Teensy 4.0 (Rev D)
* 8 x Mini LED Arcade buttons 24 mm
* 3 x Illuminated Latching push button 16 mm
=== ===
== References ==


Teensy / Arduino/ ESP32 based drum machine/ sequencer with high quality samples. Use MIDI to transfer data from sequencer to synth. / Groovebox.
Teensy / Arduino/ ESP32 based drum machine/ sequencer with high quality samples. Use MIDI to transfer data from sequencer to synth. / Groovebox.
 
References:


DIY Arduino Drum Synth + FREE SAMPLES! https://www.youtube.com/watch?v=xo-iN3tfE6o
DIY Arduino Drum Synth + FREE SAMPLES! https://www.youtube.com/watch?v=xo-iN3tfE6o

Latest revision as of 14:19, 21 May 2026

Introduction

Teensy based drum machine/ sequencer (groovebox?) with high quality samples

The knobs:

  • Bpm
  • Play/ record
  • Free rhythm / on beat
  • Track number selection
  • Length: 8 / 16 beats
  • number showing current step
  • Drums; shown below.
  • Display? showing the situation

The drums included (see https://en.wikipedia.org/wiki/List_of_percussion_instruments)

  1. Bass Drum https://samplefocus.com/samples/bass-drum-hit?search_id=199954966
  2. Bongo Drum
  3. Cajon Drum
  4. Castanets
  5. Conga Drums
  6. Cowbell https://samplefocus.com/samples/cowbell-f92f5f7b-5be6-44b7-bd5c-055dab612e55?search_id=199955024
  7. Cymbals https://samplefocus.com/samples/bright-soft-crash?search_id=199954863
  8. Djembe Drum
  9. Gongs
  10. Hi-hat
  11. Maracas
  12. Snare Drum https://samplefocus.com/samples/snare-drum-phonk-hit
  13. Steelpan https://samplefocus.com/samples/steel-pan-drum-15?search_id=199954909
  14. Tambourine
  15. Triangle
  16. Woodblock

Material

  • The plan. Note that also the svg version is available.

    The plan. Note that also the svg version is available.

  • 0.91" OLED Display module 128x32 px. I2C (SSD1306 driver). 36 x 12.5 (mm)
  • Teensy 4.1 - No ethernet
  • Audio Adapter board for Teensy 4.0 (Rev D)
  • 8 x Mini LED Arcade buttons 24 mm
  • 3 x Illuminated Latching push button 16 mm

References

Teensy / Arduino/ ESP32 based drum machine/ sequencer with high quality samples. Use MIDI to transfer data from sequencer to synth. / Groovebox. References:

DIY Arduino Drum Synth + FREE SAMPLES! https://www.youtube.com/watch?v=xo-iN3tfE6o

https://www.instructables.com/MIDI-Drum-Machine/

ARDUINO 8 STEP KEYBOARD SEQUENCER FOR SYNTHESIZERS https://www.youtube.com/watch?v=9oGlCfwCoCw

Drum trigger sequencer. How To Make Your Own Drum Sequencer DIY The BIG BUTTON https://www.youtube.com/watch?v=6ArDGcUqiWM


https://diyelectromusic.com/2021/06/23/arduino-mozzi-sample-drum-sequencer/

Doof machine

https://github.com/gavD/arduino-drum-machine


Mozzi https://sensorium.github.io/Mozzi/gallery/


The Bastl Microgranny https://www.instructables.com/Microgranny-Sampler-Completely-Home-built-not-a-Ki/

SnapBeat https://www.hackster.io/hiro-akihabara/snapbeat-the-simple-lo-fi-sampler-5a3222

https://www.youtube.com/watch?v=U5Q8chfMglE

https://www.youtube.com/watch?v=YeKsXck8LDY

NI404 https://www.synthtopia.com/content/2024/01/21/the-ni404-is-an-open-source-diy-hardware-sampler-sequencer/

MOTHSYNTH https://www.mothsynth.com/

Samplotron https://hackaday.io/project/205253/components

Pushpin https://pushpin.kinga.dev/

Cosmic Loop https://github.com/kreiff/Cosmic_Loop

OpnBeat https://hackaday.io/project/190273-opnbeat-diy-lo-fi-sampler-with-isd1700-series

Launchpad https://github.com/pabolojo/DIY-Launchpad

Yorick https://bristol-communal-modular.github.io/yorick/?utm_source=chatgpt.com

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