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sujayjp700
Joined: 19 Feb 2009
Posts: 1
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 19 Feb 2009 19:28 wireless notice board |
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hi all,
i am doing a project on wireless notice board using two PIC16f877s,one interfaced to a PC and transmitter and the other to a receiver with a LCD module.
to increase the range i have thought of involving a GSM kit so that using SMS i can display the data reqd on the notice board. the problem is i dont know a thing about the GSM kit nor how to interface it to the controller. if anyone can come up with some suggestion and schematics it would be deeply appreciated. thank you.
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soumenlaha
Joined: 24 Nov 2008
Posts: 2
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31 Mar 2009 7:39 wireless notice board |
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U need 2 GSM modems.What i suggest u is u make a GUI application to send the message from the pc and GSM modem no extra circuitry.
And at the receiver side u just read the sms and display that into display.
will u please provide the schematic & code which u made without GSM
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sanddune008
Joined: 28 Aug 2008
Posts: 11
Helped: 1
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02 Apr 2009 7:26 wireless notice board projects |
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1. What is the range u needed? What is the size of data exchanges?
2. Expecting Data rate?
3. GSM uses licensed band.
4. Have you thought about the cost?
Why don't you try other wireless options?
best wishes
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sau_sol
Joined: 27 Feb 2008
Posts: 249
Helped: 27
Location: India
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09 Apr 2009 10:42 notice board display gsm kit |
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There are other wireless chips from analog semiconductor and cyprus
they can provide more than 20m of range easily
but you can use high range RF transceivers with amplifiers and a good antenna to increase the range
and give more current to the wireless kit ( under the range specified ) to increase the range
But if you want to go for GSM you can get ready made kits in market but the problem is to configure it
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pramodm
Joined: 29 May 2007
Posts: 58
Helped: 3
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11 Apr 2009 6:51 real time applications of wireless notice board |
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hi,
I am also doing same project
Can u please provide the documents(Schimatic and code ) with you, with or with out GSM module.
thanx
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