In this instructable I will briefly explain how you can build a webpage to see who is at home or use the script for home automation.
You will need:
* A router with possibility to set ip-address on mac-address
* Family members or co workers using their phones on the same WiFi
* A web server on the same WiFi, preferably a Raspberry Pi ! ;)
* The Script
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Step 1: The Router
Log in to your router.
Select LAN Setup (or similar)
Lock current MAC addresses for phones to solid ip-addresses.
Step 2: The Script. HACK!
On your webserver install fping ($ sudo apt-get install fping)
Create file ping.php.
Paste script: ($ip should contain real addresses)
See image above!
When run output will be:
Phone 1 Phone 2 Phone 3
If all phones are connected to your WiFi!
Use with care, and may the PI be with you!
Want to see a movie online? Click here!