Traditional Chinese Practical Music vibrator: Circuit Design, Parts List & Workshop Prototype Guide
In short: Traditional Chinese Practical Music vibrator. 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 2425 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
music vibratorThe music vibrator is like a competent masseur, which can eliminate or reduce your pain after exertion and restore your body's vitality.The vibrator circuit is shown in Figure 79. After turning on the power switch, the music integrated circuit CW9300 (you can also try a similar music integrated circuit) outputs music repeatedly. This audio signal is amplified by the transistor VT, and drives the piezoelectric piece to vibrate and produce sound all the way. The other way is boosted by the audio transformer T, and its secondary output voltage is higher. For audio signals with a small power supply, since the two electrodes of the music vibrator are connected to the secondary of the audio transformer T, when the electrodes are in contact with the human body at the same time, the human body can feel the musical electric vibration. The closer the contact between the human body and the electrode or the larger the contact area between the human body and the electrode, the stronger the electrical vibration felt by the human body.Figure 79The audio transformer T in the picture uses a 6×10mm iron core. On its nylon frame, …
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