4pin IR Infrared Speed Sensor Module Groove Coupler Module For Arduino 3.3V-5V
Features:
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.
Pinout :
VCC: + power
GND: - power
DO: Digital Output
AO: Invalid
Package Includes:
1 X 4pin IR Infrared Speed Sensor Module
SNR.1069
10
1pcs/lot
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