risgk.github.io


ISGK Instruments


#12 Digital Synth PRA32-U2 (Tentative)

4 Voice Polyphonic/Paraphonic Synthesizer for Raspberry Pi Pico 2/RP2350 (2024-)


#11.1 Digital Synth PRA32-U with Panel

Synthesizer with Control Panel for Raspberry Pi Pico/RP2040 (2024)

Digital Synth PRA32-U with Panel Digital Synth PRA32-U with Panel Digital Synth PRA32-U with Panel


#11 Digital Synth PRA32-U

4 Voice Polyphonic/Paraphonic Synthesizer for Raspberry Pi Pico/RP2040 (2023-2024)

#10.1 Digital Synth VRA8-U type-16

VRA8-U Special Edition with 16-bit Audio Output (2023)

#10 Digital Synth VRA8-U

Monophonic/Paraphonic United Synthesizer for Arduino Uno (2022)

#9.2 pico_synth 2023 Edition

Monophonic Synthesizer for Raspberry Pi Pico (2023)

#9.1 pico_synth_ex

4 Voice Polyphonic Synthesizer for Raspberry Pi Pico (2021)

#9 pico_synth

Monophonic Synthesizer for Raspberry Pi Pico (2021)
pico_synth

#8 Digital Synth VRA8-Q

Quadraphonic Synthesizer with Stereo Chorus Effector for Arduino Uno (2020-2022)

#7.1 Digital Synth VRA8-N pSAW-16

VRA8-N Special Edition with 16-step Pseudo-SAW Wave (2020)
Digital Synth VRA8-N pSAW-16

#7 Digital Synth VRA8-N

Monophonic Synthesizer for Arduino Uno (2018-2019)
Digital Synth VRA8-N

OBSOLETE WORKS

#6 Digital Synth VRA8-Px

3 Voice Paraphonic Synthesizer for Arduino Uno (2016-2017)

#5 Digital Synth VRA8-P

3 Voice Pseudo Polyphonic Synthesizer for Arduino Uno (2016)

#4 Digital Synth VRA8-X

Experimental Synthesizer for Arduino Uno (2015)

#3 Digital Synth VRA8-M

Monophonic Synthesizer for Arduino Uno (2015)

#2 Digital Synth WRA32

Virtual Analog Synthesizer Web App (2014)

#1 Digital Synth VRA8

Virtual Analog Synthesizer for Arduino Uno (2014)