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Proximity Sensor is contactless obstacle detecting sensor, used to detect objects
and obstacles in front of sensor. Sensor keeps transmitting modulated infrared
light(IR) with frequency 38KHz and when any object comes near, it is detected
by the TSOP sensor by monitoring the reflected light from the object. The
detection distances can be vary using onboard potentiometer.
Operating Voltage: 4.5V to 5V
Object detecting range maximum 25cm.
Onboard visual indicator (LED).
Sensitivity adjustment through the potentiometer.
Compaq design and easily mount.
Simple 3 PIN header interface.
Immune to ambient light.
Obstacle Avoiding Robot
Object Following Robot
Automatic Door Opening System
Parking Assist System
Contact less Tachometer
Parameter Min Typ Max Units
Working Voltage 4.5 5 9 Volts
Range 25 cm
Pin Pin Name
+5V Power Supply Regulated 5V supply input
GND Ground Ground level of power supply
OUT Output Output for external devices
If the indicator LED continuously glowing without any obstacle that means the
range is set for maximum. Rotate the range adjustment pot till LED is OFF.