TechXDA26 minutes ago
ESP32-S3 BLE Finder Guides Users to Phones
1 min read
BLE Finder, built on an ESP32-S3 with Arduino core, a passive buzzer, and vibration motor, locates phones via BLE MAC scanning. It runs locally without cloud or app, emitting Geiger-like clicks that quicken with proximity. On-screen labels show "same room" or "same table.
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