SoundginZ (Stereo) - Sound & Speech synthesizer IC for Arduino / Raspberry PI

SoundginZ (Quad) - Sound & Speech synthesizer IC for Arduino / Raspberry PI

Soundgin SSG01 Complex Sound & Speech synthesizer IC for Arduino / Raspberry PI

MOS 6581 SID Commodore 64 synthesizer music sound chip IC CSG C64 64C not 8580

Apple II/IIe dual 6522 GPIO PCB -- Atmel/Arduino/ Atmel/Microchip/MCU

Timing kit for General Industries SP0256 Speech Synthesizer chip. UK Seller.

Incredible Musical Keyboard / Kawasaki Synthesizer for Commodore 64, Works

Arduino USB MIDI adapter PCB for Arduino Pro Micro 32U4 DIY - 5 BOARDS