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

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…

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Dimensions

Size:	0.4″ × 0.6″ × 0.2″¹
Weight:	0.6 g¹

General specifications

Maximum range:	12 in²
Sampling rate:	1 kHz
Average input current:	8 mA

Identifying markings

PCB dev codes:	irs05a

Notes:

1: Without included optional headers.
2: The actual range depends on many factors, including object size, reflectivity, and ambient lighting conditions.

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