Quantity   Component name
1 × NodeCode http://www.nodecode.io NodeCode is the self-hosted cloud that enables realtime communication between all of your devices.
1 × NodifyMe https://play.google.com/store/apps/details?id=nc.droid This is the Android mobile app that goes with the NodeCode system.
1 × Raspberry Pi 1,2,3 A,B,B+ http://amzn.to/2iWx9xY
1 × Motion Detector http://amzn.to/2i3jBRZ