Twin-coil 0.01 Hz–100 Khz Sine Generator (7.83 Hz Default)
About the project
A compact USB-powered frequency generator that boots on 7.83 Hz and can be set anywhere from 0.01 Hz to 100 kHz from its keypad, driving two flat spiral coils or a 3.5 mm audio output.
Project info
Difficulty: Moderate
Estimated time: 1 day
Story
This is the Sacred Frequency Generator made by Tom Matrix, a small standalone signal generator built for people who want to experiment with specific low and audio frequencies without a laptop or a phone app.
What it does
- Starts on 7.83 Hz (the Schumann fundamental) as soon as it gets power.
- Any frequency from 0.01 Hz to 100,000 Hz can be typed on the keypad, with presets commonly used for listening such as 432 Hz, 528 Hz, 963 Hz and the solfège series.
- Output goes to two flat spiral coils (placed under a mat, a pillow or beside a meditation seat) or to a 3.5 mm jack for headphones or a speaker.
- Powered from any 5 V USB source, including a power bank, so it runs anywhere.
Typical setups
1. Meditation corner: coils under a cushion, generator left on 7.83 Hz.
2. Listening session: 3.5 mm jack to headphones, keypad set to 432 Hz or 528 Hz.
3. Experiments: sweep low values (0.5–40 Hz) and compare how they sound or feel through the coils versus a speaker.
Specs
- Range: 0.01 Hz – 100 kHz, keypad entry
- Default: 7.83 Hz
- Outputs: 2 × spiral coil, 3.5 mm jack
- Power: USB 5 V
- Shipping: free worldwide from France
More information and ordering: https://sacredfrequencygenerator.com (English) / https://generateurfrequence.fr (français)
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