Piano robot. Synchronized Servo Motion for MIDI Playback
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1–32 servo MIDI player on ESP32+PCA9685, with drum sequencer and melodic piano analyzer.
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Model information
- Source
- Printables
- Category
- Music
- License
- Open Community License v1
a DIY maker project supporting from 1 to 32 servo motors to physically strike the keys of any instrument, controlled by an ESP32 + PCA9685.
The frame mounts on M4 threaded rod rails with printed PLA brackets, arranging servos to match the target instrument layout.
Includes two software modes: a percussion/drum sequencer and a melodic analyzer for piano, both capable of driving coordinated multi-servo MIDI playback.
Source code: https://github.com/portab76/aTambor
Videos
https://www.tiktok.com/@pot5058
https://www.instagram.com/piano__roll