Vedard Security Alarm Technical Support

There are many advantages of wireless network.It is mainly used in mobiles,in police control and at many places.There are no loss of network because there is no wire is cutted.Also the communication result is better then the wire network.These all are the advantages of wireless network.

i want to build a project on home security system.the thing i had done till is to send current on parallel port.now the problem faced is which sensor is to be used for motion,smoke and to detect fire.
also how to get their acknowledgement back to pc.
plz help me out

For a long time searched for such answer

i want to build a project on home security system.the thing i had done till is to send current on parallel port.now the problem faced is which sensor is to be used for motion,smoke and to detect fire.
also how to get their acknowledgement back to pc.
plz help me out

I have a cable modem plugged into a linksys hub. the hub goes out to my computer and to a netgear MR814 v2 wireless modem. The wireless modem signal is picked up by another computer here in another room and the connection is unsecured. How do I make this connection secured so others cant pick up the...