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Audible IR Proximity Detector

Audible IR Proximity Detector

+74362158IC1NE55532185-+IC1LM386746++++C1470μ16VR15.6kR210kC20.1μC30.22μC40.01μR3330ΩT1SK100R1218ΩC50.02μR4100KR527KR71.8KT2BC549CR615KR8560ΩC610μ16VC80.1μR910KC70.1μC910μ16VR101KC12220μ16VLS10.5WGNDR1110ΩC100.1μC11220μ16V9VSENSORAudible IR Proximity Detector
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publish time: 2020-10-23
Circuit Everyday

The circuit will sound when any object enters the front of the infrared reflection sensor, which includes IR leds and phototransistors.If the object near the reflection sensor is opaque, the sound produced by the sensor will be even louder.

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