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Pololu 38 kHz IR Proximity Sensor, Fixed Gain, 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).
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| Description | Specs (6) | Pictures (11) | Resources (5) | FAQs (0) | On the blog (1) | Distributors (43) |
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Pololu 38 kHz IR proximity sensor. |
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Pololu 38 kHz IR proximity sensor. |
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Pololu 38 kHz IR proximity sensor receiver and emitter sides with labeled pinout. |
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Pololu 38 kHz IR proximity sensor with included header pins. |
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Pololu 38 kHz IR proximity sensor, receiver side. |
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Pololu 38 kHz IR proximity sensor (low brightness), emitter side. |
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Pololu 38 kHz IR proximity sensor (high brightness), emitter side. |
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You can tell the high- and low-brightness versions of the 38 kHz IR proximity sensor apart using R3 (yellow) and R4 (blue) on the emitter side. |
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Schematic diagram for the Pololu 38 kHz IR proximity sensor. |
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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). |
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Oscilloscope capture of typical Pololu 38 kHz IR proximity sensor output close to its threshold of detection. |
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