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+Practical software for daily life

Safety Scan — Hidden Camera Self-Check (Offline)

by Happycode7 2026. 2. 13.
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Safety Scan — Hidden Camera Self-Check (Offline)

Runs locally in your browser. No server upload. Use as a first-pass safety aid.
Offline On-device processing No upload
© 2026 Happycode7. All rights reserved.

How to use (quick)

1) Start camera → 2) Sweep slowly → 3) Capture when a pinpoint repeats → 4) Use mic/BLE as supporting signals → 5) Save report

Compatibility

Most stable on mobile Chrome/Safari. When the tab goes to background, scanning stops automatically.

Lens / reflection scan (camera)

Idle
Preset IR sensitivity Noise reduction Frames
Bright-area mode Local contrast Front screen flash Flash rate (Hz)
Hot 0 x 0 y 0 Back · Normal
In dark spaces, use the back camera with the torch. In bright spaces, enable Bright-area mode and (optionally) front screen flash to reveal small specular reflections.

High-frequency noise scan (mic)

Band 15–22 kHz threshold Hold frames
HF energy 0
A sustained high value may indicate nearby electronics (including some cameras). Pair with the visual scan.

Bluetooth suspicious device check (BLE)

Name prefix
Due to browser/OS limits, not all devices may be visible.

Evidence capture & report

Snapshots 0

Quick safety checklist

    Practical tips

      © 2026 Happycode7. All rights reserved.
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