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Long Range IR Transmitter - ElectroSchematics.com
Simple, reliable infrared (ir) remote transmitter/receiver circuit Transmitter photodiode circuits projects electroschematics infrared phototransistor Ir transmitter and receiver circuit diagram
Simple, Reliable Infrared (IR) Remote Transmitter/Receiver Circuit
IR Transmitter and Receiver Circuit Diagram
Long Range IR Transmitter - ElectroSchematics.com