Setup is straightforward, with the Arduino's digital IO pins directly wired up to the alarm's output signals. An XBee wireless module was added, since the alarm control panel is some distance away ...

DIY Burglar Alarm Sends You a Text Message Whenever It Detects Motion. Whitson Gordon. May 4, 2012 If you want to keep ... All you need is an Arduino, a motion sensor, ...

so tinkercad has circuit designand arduno now, a real arduino is $20, IDE is free, fritzing is free and does all the exact same layout stuff locally, you save your files and keep them forever.