38 kHz IR Proximity Sensor, Low Brightness

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 at 5 V and has a typical sensing range up to approximately 12 inches (30 cm).

Specifications:

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

Documents:

• Schematic diagram of the Pololu 38 kHz IR proximity sensor (96k pdf)
• Vishay TSSP77038 IR receiver module datasheet (268k pdf)
• Dimension diagram of the Pololu 38 kHz IR Proximity Sensor (300k pdf)
• 3D model of the Pololu 38 kHz IR Proximity Sensor (4MB step)
• Drill guide for the Pololu 38 kHz IR Proximity Sensor (16k dxf)