Fortress SFX-23 Stowaway Bag f/FX-23 consumer electronics

ever had your bag stolen it really sucks in this weekend project by Steve Howe bleak will show you how to put a hidden Karstetter alarm in your backpack but the wart would be a ton of parts you need to make this build the circuit is really simple just be sure to have some scrap wood on hand to make the inclusion using just the red and black wires attached to the siren and the battery clip we're gonna put all the components in series the idea is that the alarm will sound only when both audio plugs are removed from the jacks one Jack inside the bag for arming or disabling the alarm and the other outside the bag to act as a trigger mechanism the sockets have a normally closed - it's built right in which will act as the alarm trigger we'll be connecting through only two of the three terminals shown here solder all the components together protecting all exposed connections with shrink tubing