Arduino String Synthesizer

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Designed by Jan Ostman
Built and modified by Jet Kye Chong
Guidance from Gary Jörg White

In 2019, I salvaged an old, broken Yamaha keyboard from a trash heap. I took it a part to see what could be salvaged, including a 4-octave keybed. In the last week, I turned it into this synth.

My additional details:

Jan's design had controls for Envelope, Ensemble and Modulation only, for a 3-octave keyboard. My modification was to add a volume control (50k log potentiometer) and passive low pass filter (10k linear potentiometer + fixed 1k as specified by Jan), and adapt the code for a 4 octave keyboard with a different diode matrix shape.

First two demos use a delay pedal. First pedal uses a loop pedal.

If you use Jan's design, please donate to his work - he is generous with the information he shares!
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Amazing! I've built this synth years ago but unfortunately I was super new to this (still kinda am) and didnt have any keyboards to spare so I just used some buttons. Would this work with any basic keyboard? Im planning to get some kids toy from a fleamarket or something

denizbuhran
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Sounds beautiful Jet! Is the third demo Abide With Me?

janesta
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Nice build. Trier to build one myself. But didn'work 100% properly. Sometimes it made strange noises. Maybe I need to get it out and the to fix it...

fmksounds
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