schematic diagram of signal blocker and its display message

Status
Not open for further replies.

vic_chaos_182

Newbie level 1
Joined
Sep 29, 2009
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Location
philippines
Activity points
1,287
ahm, hi is anyone can help with my problem??

im trying to make a project for our school. its all about how to block a signal from a specific place such as library.And as the person enter, it will display a message banner on the screen of the cellphone like "WELcome to the library".
can anyone can help me to solve this problem??

can i use a band pass filter with it>??

pls show me a schematic diagram about this project.. ^^

tnx for the concern...
 

Status
Not open for further replies.
Cookies are required to use this site. You must accept them to continue using the site. Learn more…