Traditional Chinese Electronic hypnosis device: Circuit Design, Parts List & Workshop Prototype Guide (Part 3)

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In short: Traditional Chinese Electronic hypnosis device: Circuit Design, Parts List & Workshop Prototype Guide (Part 2). This entry documents a circuit & prototype taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 1733 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.

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Electronic hypnosis device(3)If you have insomnia at night, or are so nervous before thinking that you can't fall asleep, you might as well try making a small electronic hypnotic device, which can help you fall asleep quickly.The circuit principle of the electronic hypnotic device is shown in Figure 83. It consists of a relaxation oscillator, amplifier, indicator and speaker. The single-junction transistor VT1, potentiometer RP and capacitor C form a simple relaxation oscillator. Its oscillation frequency can be changed by adjusting RP. …

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