Solarpunk Synthesizer Kit – Solar-Powered DIY Sound Generator

Solarpunk Synthesizer – DIY Noise Kit with Solar Power

The Solarpunk Synthesizer is a unique soldering kit for sound explorers, noise enthusiasts, and synth lovers. Based on a minimal analog circuit using a Schmitt trigger (74HC14), an op-amp, and three potentiometers, this synthesizer creates fascinating and quirky soundscapes – all powered by a small solar panel.

The Concept

The original sound module was developed in 1996 by Ralf Schreiber. Over time, it was refined and transformed into a Through-Hole Technology (THT) version by Marc Dusseiller and Jörg Heinemann, making it suitable for workshops and DIY enthusiasts. The result: a fun and accessible solar-powered synthesizer for everyone.

What makes it special?

• No batteries needed: Powered entirely by a small solar panel
• Ever-changing sound: The light level directly affects the sound
• Unique tones: Each module sounds different, like birds or insects
• 3.5 mm audio jack: Connect to headphones, speakers, or audio interfaces
• Great for experimentation: Circuit is easy to modify and expand

Perfect for:

• DIY audio & synth lovers
• Solar energy & electronics workshops
• Solarpunk and maker communities
• Artists, educators & sound designers

Kit contents:

• 1x Solarpunk Synth PCB
• 1x Schmitt Trigger IC 74HC14
• 1x MCP6002 dual op-amp
• 3x Potentiometers 100 kΩ (RV1–RV3)
• 1x Solar panel
• 3x Ceramic capacitors 1 µF (C1–C3)
• 2x Ceramic capacitors 100 nF (C6, C7)
• 2x Electrolytic capacitors 10 µF (C4, C5)
• 1x Resistor 22 kΩ (R7)
• 2x Resistors 10 kΩ (R1, R6)
• 4x Resistors 1 MΩ (R2–R5)
• 2x Piezo buzzers (Ø 20 mm)
• 1x 3.5 mm headphone jack
• 2x ~5 cm wire

Note:

This synthesizer works exclusively with sunlight or strong ambient light. The sound changes continuously depending on the light level – ideal for natural sound experiments and interactive installations.

For circuit diagrams and additional info, check our blinkyWiki.