Transcript Infrared Transmitter and Receiver Brandon Agtarap

Infrared
Transmitter
and Receiver
Brandon Agtarap
Dr. Gary Varner
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Introduction
• Building an audio transmitter and receiver with the use of infrared light
• Infrared (IR) light
• Electromagnetic radiation with longer wavelengths than that of visible
light
• The infrared radiations are transmitted and received by IR LEDs
and phototransistor respectively.
• This project will emphasize the way which music can be driven by IR rays
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Components Used
• Infrared LED Emitter
• Infrared LED Detector
• Red LED light
• Operational Amplifiers
• LM386
• NPN Transistors
• 3904
• Resistors
• 10 Ω , 1K Ω , 4.7K Ω, 10K Ω, 15K Ω
• Capacitors
• .01 µF, 1 µF, 10 µF, 220 µF
8 Ω speaker
• Voltage Generator
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Transmitter
• Circuit Diagram of the Infrared Transmitter
Sends infrared signals from the audio source coming from the headphone
jack
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Receiver
• Circuit Diagram of the Infrared Receiver
Receives the infrared signals from the audio source and outputs the data
through the speaker
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Applications
• Ways of Communication
•Wireless Music Systems
• Mobile Gadgets
• Remote Controls
• Infrared lasers
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Summary
Advantages
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Observe the transmission of an IR signal to a receiver using an LED.
Show that digital information can be converted to an electrical signal that
is sent to the receiver, then driven through an amplifier-speaker.
Disadvantages
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Not made for long distance
Noise of the audio output
Future Enhancements
Modify circuit for optimal performance
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Thank You!
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