Traditional Chinese Practical Anti-myopia dimming table lamp: Circuit Design, Parts List & Workshop Prototype Guide
In short: Traditional Chinese Practical Anti-myopia dimming table lamp. 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 4724 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
Anti-myopia dimming desk lampCommercially available anti-myopia table lamps are expensive, but it is very convenient to use the method provided by us to modify ordinary dimming table lamps at home, and only need to install a low-cost circuit. The additional circuit is shown in Figure 157. The original dimming light control circuit is inside the dotted box. The additional circuit includes four parts: DC power supply circuit, infrared transmitting circuit, infrared receiving and amplifying circuit, and light control circuit.How it works:(1) DC power circuit. The AC 220V mains power is stepped down by C1 and R1, rectified by VD1, stabilized by VD and filtered by R2 and C2 …
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Lei Cheng
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