Jump to content
Electronics-Lab.com Community

Help with code transmission in RF or IF

Recommended Posts

im doing an electronics&comm project as part of my curriculum.
im thinking of an announcer system to be placed in bus stations which
receives a particular code transmitted from a bus and announces to the passengers about its arrival.
Is RF is a good choice 4 transmission ??RF has better coverage than
IR doesnt it?
also there r 2 ways i thought 4 code tranmission
1)DTMF signals - is simple but only few capabilities (no: of buses) :-\

2)Digital transmission-of course more complex,also needing a uC
but anyway im planning to implement it without a PC by using a
uC :-\

so have any of u got anything that could help me out ???

Link to comment
Share on other sites

thnx 4 the replies
i already thought of using RF but the big problem comes when u have to identify more than one buses coming to the station
u have to decide whether buses will transmit same frequencies or different ones and abt interfernce b/w signals ::)

and if ure having multiple frequencies then receiver has to check all frequencies automatically . also once announced theres no need to announce the same bus again.
now these r some of the problems which ive encountered with this project
now wht should i do??? ::)

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Create New...