Driveway alarm

Here is a simpler and somewhat cheaper one, that I have not tried yet, but should be good for short simpler setups.


Best Bang for the buck

Wireless Routers

The ultimate

Best Bang for the buck‚Äč

Personal Cloud NAS

Best Bang for the buck


Stan The Mac Man

Computer Speakers   

This is one that I use. You can add up to 3 more sensors for a total of 4. You can also add recievers. I have the walkie talkie one that doubles as an intercom.