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importantSYS.SOURCE: GitHub2026-09-01T02:29:23Z

ESP32-S3-Based Cellular Conversion for Unmodified Rotary Phones

This project converts traditional rotary telephones into portable LTE-enabled devices using an ESP32-S3 microcontroller and custom hardware. It maintains original phone components while integrating modern cellular technology through a reversible, non-invasive design.

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