[ $23 ] DIY eurorack modular synth YAMAHA PCM PIANO VCO with NSX-39 | Acoustic ambient sound source

My 41th original eurorack modular synth DIY projects with seeeduino xiao(arduino).
Acoustic sound source using YAMAHA's high quality PCM sound source.
12 instruments, 12 effects, 12 parameters controllable ambient machine.

working documents ( schematics & source code )
https://note.com/solder_state/n/na183f56096ac

NSX-39 review video
https://youtu.be/HRbpmUO2g94
https://youtu.be/VlVursWznXg

Cheap components list ( Japanese )
https://note.com/solder_state/n/n8ef0479418a0

-------------------------------------------------------------
See Instagram and Twitter for the development status of my next module.
Instagram
https://www.instagram.com/hagiwo_1/

Twitter
https://twitter.com/HAGIWO1
-------------------------------------------------------------