M machavelli New Member Jul 30, 2003 #1 i am making a visual zone alarm (led's come on when ever a door or window opens) for my house and i want to hook it up so it makes 1 beep or chirp whenever one of the lights come on. any help would be great.
i am making a visual zone alarm (led's come on when ever a door or window opens) for my house and i want to hook it up so it makes 1 beep or chirp whenever one of the lights come on. any help would be great.
kinjalgp Active Member Jul 31, 2003 #2 Use Piezo-Buzzer for your alarm along with a 555 monostable circuit so that it will beep once whenever triggered.
Use Piezo-Buzzer for your alarm along with a 555 monostable circuit so that it will beep once whenever triggered.