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Developer Says Claude Code Turned a Home Wi-Fi Router into a Motion-Mapping Radar in 40 Minutes

November 4, 2026 at 19:46 EST

Software Dev & Coding
Security

A user says he asked Claude Code to turn his home Wi-Fi router into a radar, and that the tool produced working code in about 40 minutes that reads how the Wi-Fi signal bends around people and displays them as moving shapes on a map of his apartment.

AI Coding Tools · Wi-Fi Sensing

A home router turned into a motion radar in about 40 minutes

One user says an AI coding assistant wrote software that reads how Wi-Fi signals bend around people, then shows them as moving shapes on a map of his apartment. No extra hardware was needed.

~40 min

Time to a working version, per the account

1 router

Existing consumer device, changed in software only

Dedicated sensing devices added

Build time, one block per minute

Each block is one minute of the roughly 40 minutes the account describes.

Roughly 40 minutes from idea to a working presence map.

How the system works

1. Router signal
Wi-Fi fills the room

→

2. Body disturbs it
People bend the signal as they pass

→

3. Software analyzes
AI-written code reads the changes

→

4. Map display
Moving shapes show location

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