Attach your PIR sensor on Raspberry Pi 26 number as Input and buzzer on 26 number as Output. As PIR sensro detetcs as event mailer.js file call and sendEmail trigger.

Raspberry Pi Computer Passive Infrared Motion Sensor (You only need the one but I order five at a time) Solderless Breadboard And you'll also need some wires to connect it all together. To see what ...