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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File downloads

Pololu 38 kHz IR proximity sensor schematic diagram (169k pdf)

Printable schematic diagram for the Pololu 38 kHz IR proximity sensor (original irs05a version).
Vishay TSSP77038 IR receiver module datasheet (268k pdf)

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