hi firends,
as usual i am here for some basic questions, i want to link a rf remote control to my existing project... and i have tried to Google "RF MHz" and lots of other queries for the purpose... but couldn't get the very basic answers to questions that arose in my mind....
do any one have a basic tutorial or link to it for this purpose?
my needs are a system capable of learning a number of remotes,
the remote just provides a pulse on the relevant pin,
2 channel
what i need help on is....
1 what would be the best approach?[ using decoder chips or uc]
2. how do i link the remotes,[software]
3.is it that i need to use the Rx TX module and connect it to avr's Rx/TX and use the data from udr register, ... or are there any intermediate stages, specially in Manchester coding and decoding....
sorry for asking some weired questions but thats how i am going to understand it...
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ok, i had some reading
but still have some issues?
do i have to give each transmitter a unique adress? answer seems to be yes, so this has to be done in software?.....
and how would i make the reciever be programed for a specific remote/transmitter... should it be like that when the learn/program button is pressed the reciever recieves the code that is transmitted by the transmitter and saves the code[fixed code] in eeprom? and then after word respond to that remote only?
and for adding another remote simmilar procedure is done but now durring validation the reciever compares code with all stored codes and after that it validates it or make it in valid?
basically i need the algorithm for such remote.... can any one help me regarding that ...? as far as the modules are considered i dont have problems in them.... they are just a link... other than that the whole algorithm of using multiple remotes and their addressing that is required...
sorry for being so confusing.....
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i need fixed code , further more what i am stuck in is what approach should i use to lock transmitter to a receiver...? how is addressing used? and how is a remote locked to a receiver ....
thats where i cant go ahead.... i want a receiver that can be locked to more than 1 remote...
How should i do it?
whether i should give each remote its specific address in the packet it transmits and then on match match it with that on receiver eeprom of a avr?