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  "path": "/550451/a-simple-software-made-frequency-for-a-buzzer-on-rt-spark-4e74b9",
  "publishedAt": "2026-06-13T17:44:02.000Z",
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  "textContent": "A software-made frequency project, producing a simple beep sound using a passive buzzer on an RT-Spark Development Board.",
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