Pololu 38 kHz IR Proximity Sensor, Fixed Gain, Low Brightness (irs05a)

Pololu item #: 2461
Brand: Pololu
Status: Discontinued 

This product has been discontinued.

This product has been replaced by a new version.

This module features a fixed-gain, 38 kHz modulated IR sensor and a corresponding IR LED with oscillator circuit to make a tiny proximity sensor. This low-brightness version draws an average of 8 mA and has a typical sensing range up to approximately 12 inches (30 cm).

Alternatives available with variations in these parameter(s): maximum range Select variant…

 Description Specs (6) Pictures (9) Resources (2) FAQs (0) On the blog (3) 

Pololu 38 kHz IR proximity sensor (original irs05a version) receiver and emitter sides with labeled pinout.

Pololu 38 kHz IR proximity sensor (original irs05a version) with dimensions.

Pololu 38 kHz IR proximity sensor (original irs05a version) with included header pins.

Pololu 38 kHz IR proximity sensor, receiver side (original irs05a version).

Pololu 38 kHz IR proximity sensor, emitter side (original irs05a version).

Pololu 38 kHz IR proximity sensor (original irs05a version).

Schematic diagram for the Pololu 38 kHz IR proximity sensor (original irs05a version).

Oscilloscope capture of typical Pololu 38 kHz IR proximity sensor output when it is weakly, moderately, and strongly affected by fluorescent lights (top to bottom).

Oscilloscope capture of typical Pololu 38 kHz IR proximity sensor output close to its threshold of detection.


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