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Recent content by comm engineer

  1. comm engineer

    simple comm system using visible light link

    Hi [smile] I want to build a simple system with the following specifications: 1. group of LEDs with high directivity as a transmitter and a photo-detector as a receiver (works efficiently within at least 1.5 m "5 ft"). 2. the nature of the message to be sent is just a finite number of bits...
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