first thx u guys are being helpfull.
ok so i am going to use the orignal receiver that is made to control servos if matters it a "sanawa RX-515, FM 72MHz,5 chanel", and i have a 72MHz crystal.
wich transmitter do i need?what commadns dose he need to send?
i know the recever genretes repetitive pulse of 1ms to 2ms (1.5ms being the "neutral" middle position). but what do the transmitter need to send?and what need to be dose to the recevier for it to do that(meaning what do i have to trigger)
hope i bieng clear, sorry bout my english ;p
thx again
-sefi