Learn how to connect PIR motion & door sensors to your Raspberry Pi computer. Receive photos on your iPhone or Android smartphone when the alarm is triggered. Record HD video clips. Turn a security light onoff from the Linux command line. Connect a smoke alarm or wireless driveway alarm to your Pi. Click on the "LookInside!" link to find out more. Suitable for all Raspberry Pi models, including A, B, A+, B+, Pi 2 and Pi 3.