Synthrotek Atari Punk Console DIY Kit: Video Game Noise Stepped Tone Synthesizer

Synthrotek APC Handheld PCB - Atari Punk Console Synthesizer LoFi 8bit Chiptune

Synthrotek Atari Punk Console PCB Video Game Noise DIY Synthesizer

Synthrotek Eurorack Atari Punk Console PCB and Panel - LoFi 8bit Chiptune APC

Synthrotek Optical Theremin DIY Kit - Square Wave Light Sensitive 1/4 Inch Jacks

Synthrotek 555 Timer Oscillator Kit - Square Wave LFO Synthesizer Kit

Sonicware Liven Ambient Ø Soundscape Synthesizer with power adapter

Tesseract Selam LFO, envelope + Doepfer A130-2 dual VCA Eurorack synth modules