We pay attention to the scene of electronic bandoneon projects. If you are working on one and would like it mentioned here, reach out — together we are stronger.

The information below is collected on a best-effort basis from public sources and may be incomplete or out of date. Corrections are welcome.

Bandonino

Author
Danny Chapman
Year
2024
Notes
USB MIDI only. Bellow sensing via a load cell. Unisonoric (Peguri/Manoury layout).
License
MIT.
References

Bandoneón Electrónico para PC

Author
Leonardo Martinez
Year
2024
Notes
Apparently has no bellow sensing.
License
None known — likely closed source.
References

Bandolica

Author
Mariano Godoy, Sebastián Barbui
Year
2022 - 2024
Notes
Apparently has only the right keyboard and no bellow sensing. Sold as a practice device paired with a learning application; connects over USB to a computer, later to a phone.
License
None known — likely closed source.
References

Bandoneon MIDI

Author
Pablo Fredes
Year
2013
Notes
Bellow sensing
License
None known — likely closed source.
References

Bandoneon Electrónico - MIDI

Author
Federico Fraysse
Year
2007 - 2018
Notes
Actual bellow, it is not clear weather the push and pull intensity is measured.
License
Unknown
References

Bandoneon 2.0

Author
Juan Ramos, Esteban Calcagno, Ramiro Vergara, Pablo Riera, Joaquín Rizza
Year
2018 - 2023
Notes
Interdisciplinary academic project at the National University of Quilmes, Argentina, building an expressive, accessible electronic bandoneon with a measured-acoustics synthesis model. First prototype named “Alfa”; a successor named “Astor” was announced. Latest public output is the 2023 NIME paper.
License
None known — academic research project.
References

Bandonberry

Author
Jose Bentancour (Universidad de la República, Uruguay)
Year
2018 - 2019
Notes
Fully 3D-printed MIDI bandoneon built around a Raspberry Pi as a learning simulator; 71 buttons via an SPI port expander, onboard I2S audio. No bellow sensing.
License
MIT.
References

BandoMIDI

Author
HLeBoucher
Year
2020
Notes
Acoustic bandoneon retrofitted into a silent MIDI instrument using magnets and magnetic sensors read by an Arduino, with an Odroid C1+ for sound. Button presses only — no bellow sensing (the author notes this as a limitation).
License
Open source (GitLab).
References

bandoMIneDonI

Author
3araht
Year
2021 - 2024
Notes
MIDI keyboard kit with a bandoneon button layout and no bellow. Uses compact Kailh mid-height switches to reproduce the real inter-button spacing.
License
None specified — all rights reserved.
References