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kutjohn's
Minor Project-laser Torch-based Voice Transmitter and Receiver[1]
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![Minor Project-laser Torch-based Voice Transmitter and Receiver[1]](https://idoc.tips/img/300x300/minor-project-laser-torch-based-voice-transmitter-_5a9f5d0bb7d7bc6e62c4593a.jpg?v=2025061621)