Traditional Chinese Electronic cane: Circuit Design, Parts List & Workshop Prototype Guide

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In short: Traditional Chinese Electronic cane. 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 2056 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 caneFigure 183 shows the electronic cane circuit. It has two functions: alarm and lighting, and is suitable for the elderly. The circuit uses two integrated blocks and uses an ultra-small electromagnetic sounder to generate sound, so the entire circuit is compact. The circuit is also equipped with a release button for the owner to use when sitting down and wanting to lay the cane flat.Figure 183When the walking stick falls to the ground, the mercury switch is turned on. Since the voltage at both ends of C1 cannot change suddenly, a negative pulse is added to the ② and ⑥ pins of the 555 time base circuit. At this time, the ⑦ pin of the 555 time base circuit has a high resistance to the ground. …

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