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power supply - Is this IR LED driver circuit with a transistor OK? - Electrical Engineering Stack Exchange
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Build the IR Sensor Circuits | LEARN.PARALLAX.COM
IR Transmitter and Receiver Circuit Diagram
IR transmitter and receiver circuits
Low Voltage IR LED Driver Ref Design for Photoelectric Measurement Subsystems
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ir LED - CircuitLab
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IR-Photo Diode Sensor | forElectronics
infrared circuit Page 9 : Light Laser LED Circuits :: Next.gr
Constant current infrared LED emitter circuit - AnalysIR Blog
Intro to IR Circuits : 9 Steps (with Pictures) - Instructables
Build the IR Circuits | LEARN.PARALLAX.COM
The BioCapacitor based IR-LED wireless sensing system. Block diagram... | Download Scientific Diagram
