Traditional Chinese Bone hyperplasia therapeutic apparatus (1) (Workshop Practice) — Circuit, Wiring & Debug Guide

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In short: Traditional Chinese Bone hyperplasia therapeutic apparatus (1) (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 2389 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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Bone hyperplasia treatment device(1)Pulsating current can increase the depth of drug ions introduced into the body and has a massage function.The therapeutic device outputs intermittent pulses with two frequencies, 100Hz and 1Hz, which are continuously adjustable within 30mA. The treatment time is automatically controlled and can be preset at any time within 59 minutes and displayed digitally by LED. When the time is up, the treatment will automatically stop and an audible and visual notification signal will be sent out.Figure 57The circuit principle is shown in Figure 57. The timing input end of pin 23 of the digital clock integrated circuit TMC3450NL is grounded through the normally closed contact of the relay. After power is turned on, the LED digital tube flashes and displays "59" minutes. …

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