5/1 قطعة وحدة استشعار السرعة من نوع الفتحة IR Optocoupler LM393 مستشعر مقرنة الأخدود 3.3 فولت-5 فولت وحدة مرحل الطنان (1 قطعة-01)
مميزات خاصة
Warning Buzzer & Chime
5/1pcs Speed Sensor Module Slot-type IR Optocoupler LM393 Groove Coupler Sensor 3.3V-5V Connect Relay Buzzer Module
وصف
Warning Buzzer & Chime
Working voltage: 3.3V~5V
5mm Groove width
Using wide voltage LM393 comparator
Output form: Digital switch output (0 and 1)
Sensing slots are blocked, the output high and the light is off; no shelter, output low and lights.
VCC: + power
GND: - power
DO: Digital Output
AO: Invalid
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