Distance & Proximity

TSSP77038 IR Proximity Sensor (60cm)

PROPS-002460


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 high-brightness version draws an average of 16 mA and has a typical sensing range up to approximately 24 inches (60 cm).

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CAD$9.75

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These sensor modules are based on Vishay’s TSSP77038 modulated infrared receivers. Unlike most IR receiver modules designed for remote control of appliances like televisions, the TSSP77038 has a fixed gain (sensitivity) that makes the sensor more predictable when used in proximity or reflectance sensors. The Pololu carrier module combines the TSSP77038 with an IR LED driven by a 555 timer-based circuit to make a complete sensor module that requires only a 3.3 V to 5 V power connection. An enable input allows control of whether or not the IR LED is on, and a digital output indicates whether or not an object is detected.

Features:

  • 24 inches maximum range
  • 1kHz sampling rate
  • 16mA input current

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TSSP77038 IR Proximity Sensor (60cm)

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 high-brightness version draws an average of 16 mA and has a typical sensing range up to approximately 24 inches (60 cm).

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