okay! gr8!
i just bought a couple of 555 timers..and i played with them to get my self more familiar wih it...
but it seems all i can get is (for example in a tone generator) a tone of say 5 seconds then no tone for 2 seconds, then tone again for 5 seconds, etc, etc,
actualy what i need is the best described by the folowing simulation
1-you press on a switch, or release a switch, or what ever
2-you wait for x minutes
3-after the x minutes passed, give an output voltage to drive another circuit.
but i dont want this precesus to repeat to infinity...
how can i do that (so, can 555 do that?)
thx for your help all.