Turn an old Android phone into a fully offline motion-triggered security camera. No cloud, no accounts, no INTERNET permission. Built for Android 5.0 (API 21), tested on Android 6.0.1.
android kotlin privacy camera offline surveillance motion-detection security-camera e-waste foreground-service no-cloud legacy-android android5 vibe-coding old-devices api21
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Updated
Aug 30, 2026 - Kotlin