Hi all
I have just stumbled upon your forum and I have had a serch around for what im after but I keep finding things that are well over my head!!
Bascially I play a game called "Airsoft", which is similar to paintball, but it is played with realistic immatition guns and its about 1000 times more tactical than paintball. And its bascially a military similution.
What we need for extra game types rather than our usual "Find the enemy and take the base" games is a type of briefcase bomb that sets off a loud siren when the timer ends.
I have had a play around and made something with a car turbo timer and a few relays to a car alarm siren.
It worked really well last week but now the place where we play wants me to build a better one.
So what I need is a countdown timer that has a display on it for the time remaining, a keypad to enter in a time, and maybe some type of system that allows us to maybe enter in a code to unlock the device to automatically start the timer, so that a code has to be found to start the timer. And of course, when the timer hits the end of a countdown, it sets of a siren?
As I am pretty much dumb to building circuts, is there anything out there that can already do this sort of thing or is someone on here willing to build a circut for us and of course we would be willing to pay you for your time.
Thanks in advance to reading my rammblings!!