Traditional Chinese Hearing Aid/Hypnosis/Memory Enhancement Multi-purpose Machine (Workshop Practice) — Circuit, Wiring & Debug Guide

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In short: Traditional Chinese Hearing Aid/Hypnosis/Memory Enhancement Multi-purpose Machine (Workshop Practice) — Circuit, Wiring & Debug Guide. 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 1465 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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Hearing aid/hypnosis/memory enhancement three-purpose machineCMOS integrated circuits have a series of advantages such as a wide power supply voltage range (3~18V) and low power consumption (μW level). The three-purpose hearing aid/hypnosis/memory enhancement machine makes full use of these advantages of CMOS integrated circuits.The circuit schematic diagram of the enhanced three-purpose machine is shown in Figure 100. The circuit is mainly composed of a CMOS six-inverter CO33. …

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