Beeping or chirping smoke detectors are beyond annoying. Usually, a chirp every 30 to 60 seconds just indicates a low battery ...
If the smoke alarm keeps going off, then you should start by looking for possible dangers, like a hidden electrical fire. Similarly, if the carbon monoxide detector is beeping, then you should ...
If the window is opened the connection is lost and the alarm sounds. We see a few problems with this system. First off, never hack your ONLY smoke detector, you are putting lives at risk by doing so.