i'm in trouble...help me please...

[texas5]

ok.thanx a lot guys...

[texas5]

and one more thing.can someone guide me where do i need to start the coding.my main idea is...

transmitter:
1.press push button
2.detect each zero crossing(i don't know how to play with the delay)
3.burst 120khz(i don't know how to play with the delay)

receiver:
1.detect each zero crossing(i don't know how to play with the delay)
2.get started data (in this case, bit 1)
3.get another data (in this case, bit 1 or 0)
4.stored data
5.called back the data(if 1 1=on led...if 1 0=off led)

i really hope someone can guide me....please....

[mackrackit]

and one more thing.can someone guide me where do i need to start the coding.my main idea is...

Are you going to use off the shelf modules or try to make you own?

I will advise against making your own modules.