diy photosensitive light sensitive technology small production small invention maker technology scientific light control circuit production experiment_金华市航达科教用品有限公司

diy photosensitive light sensitive technology small production small invention maker technology scientific light control circuit production experiment

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diy photosensitive light sensitive technology small production small invention maker technology scientific light control circuit production experiment

DIY光敏灯光敏感科技小制作小发明创客科技科学光控电路制作实验

EXW Price: Min. order:

¥6.5
≥3/set

¥6.2
≥100/set

¥5.4
≥1000/set

3 set

Exchage Rate 1 CNY ≈ 0.1418 USD
Weight 1.0 kg/set
Stock num 1221 set

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金华市航达科教用品有限公司

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Description

品名：光敏灯

货号：DX 123

包装：包装袋

产品尺寸：105*77*35 MM

单个重量：0.12KG

装箱数：600

箱规：60*50*55 CM

光敏灯

自激多谐振荡器振荡工作后，从IC的3脚输出振荡脉冲信号，该信号经V3-V5放大后，驱动EL发光。调整RPl的阻值，可改变自激多谐振荡器的工作频率，控制输出脉冲占空比的大小，从而调节EL的亮度
在白天或夜晚室内有灯的情况下，光敏电阻器RG受光照射而阻值变小，使Vl饱和导通，V2截止，lC失去工作电源而停止工作，EL不发光。在夜晚，室内的照明灯关闭后，RG的阻值增大，使Vl截止，V2导通，自激多谐振荡器和输出电路正常工作，EL点亮。调节RP2的阻值，可改变光控开关的灵敏度

Update time：20240826163346