Lo-Fi Noise Machine Solder Kit

Based on the classic “Punk Console” synthesiser circuit with modern enhancements, this Level 2 solderkit teaches the fundamentals of analogue audio signal generation using classic 556 timer ICs and voltage boost circuits. Perfect for musicians, sound designers, and electronics enthusiasts, this project creates Lo-Fi square wave sounds through pure analogue circuitry – no digital processing, just the rawest synth sound right at your fingertips! Built around the 556 timer IC with integrated voltage boost circuitry, this synthesiser generates analogue square waves with real-time pitch and pulse width control via two potentiometers. Our design includes three selectable audio outputs via jumpers: a built-in buzzer for immediate sound, an 8-ohm speaker (included) connection for enhanced audio, or a 3.5mm headphone jack for private listening and recording. Interactive features include a hardware “play” button to turn the circuit on and off rhythmically (or just connect a jumper for continuous play), and a unique “glitch” touch pad that dynamically modifies the sound when touched. Visual feedback comes from an output LED that pulses with the generated audio signal. This kit balances musical creativity with advanced analog circuit understanding, teaching analogue audio generation principles while creating a genuinely entertaining instrument. Complete open-source design includes detailed circuit analysis documentation, explaining how voltage boost, timer oscillation, and signal modification work together to create sound. The comprehensive assembly guide covers both construction techniques and the educational theory behind analogue synthesis, making complex concepts accessible to intermediate makers.

* Analogue Synthesis Engine: Authentic square wave generation using a classic 556 timer circuit.

* Real-Time Controls: Dual potentiometers for dynamic pitch and pulse width modification.

* Pure Analogue Sound: Experience genuine lo-fi audio with no digital processing.

* Multiple Audio Outputs: Choose from built-in buzzer, 8-ohm speaker (included), or 3.5mm headphone jack.

* Interactive Play: Hardware ‘play’ button for rhythmic playing oruse jumper to enable continuous drone

* Glitch Touch Pad: Capacitive touch pad for dynamic sound modification.

* Visual Feedback: Output LED reacts to the generated audio signal.

* USB-C Power: Modern, reliable 5V power input for convenience.

* Compact Design: 7x7cm form factor, ideal for desktop use.

* Educational Kit: Learn advanced analogue circuit assembly and sound synthesis theory.

* Professional PCB: High-quality board with clear component markings for easy assembly.

* 3D-printable enclosure files available

* Detailed assembly tutorial available