A tool to create a heatmap of wifi signal strength.

• A WiFi adapter
• Rust (when building from source)

• Only macOS versions up to 13 (Ventura) are supported.
• Windows is only supported if the system language is set to English.
• iw must be installed and accessible in your system's PATH for Linux users.

You can install Signal Locate using Cargo:

cargo install signal-locate

You can also download precompiled binaries from Actions.

To use Signal Locate, run the following command:

sudo -E signal-locate

Run the precompiled binary if you use that. Root privileges are required to scan for WiFi networks. macOS and Windows may not require elevated priveleges.s.

• After starting, open a room plan of your house (currently, only one floor is supported).
• Select the WiFi network you want to map from the dropdown on the right.
• Walk around your house and click your current position on the map to measure signal strength.
• Collect at least 10 points for a good map.
• When finished, click the Create Heatmap button to generate the heatmap.

This project is licensed under the GNU General Public License Version 3. See the LICENSE file for details.