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Photosensitive Acousto-optic Alarm Module for Arduino

Photosensitive Acousto-optic Alarm Module for Arduino

Photosensitive Acousto-optic Alarm Module for Arduino

  • Model: 392811
  • Units in Stock: 9999

Price:   $3.86

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    Details: Used to detect ambient light, when the light is bright, it will alarm; W1 is adjustable resistance, used to adjust induction sensitivity, GMDZ is photoresistance, when the light becomes bright, rhotosensitive resistance value will reduce, the current flowing into Q1 base is large, Voltage of triode collector reduce, DI light up, R2 is current-limiting resistance; Meanwhile, Through R1 base current flowing into Q2 base, Q2 enter into saturation condition; SP1 is buzzer.

    ColorGreen + Black + Multi-Colored
    English Manual / SpecYes
    Download Link
    Other Features
    Other FeaturesPower supply voltage: DC 3V~5V
    Dimensions & Weight
    Dimensions 1.69 in x 0.71 in x 0.51 in (4.3 cm x 1.8 cm x 1.3 cm)
    Weight 0.18 oz (5 g)
    Packing List
    1 x Module

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