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IR Transmitter and Receiver Circuit Diagram
How to test IR led & photo diode - YouTube
Test infrared LEDs using a camera phone | LEDnique
Testing an IR Sensor | IR Sensor | Adafruit Learning System
How to Use LEDs to Detect Light - Make:
components - How to check if IR receiver is dead or not ? - Electrical Engineering Stack Exchange
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Simplest Way to Test IR LED - Including IR Emitter and IR Receiver LED - Instructables
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