

You will also need a SD card and standard mini USB cable with adapter.

Raspberry Pi Zero W Official Starter Kit (Amazon Affiliate link) –.Raspberry Pi Zero W (Amazon Affiliate link) –.Last, but not least you can find it really cheap these days.It have embedded WiFi and Bluetooth, so you can place it almost anywhere you wish,.It has very low power consumption (around 150mA),.The one that I’m using for this project is the Raspberry Pi Zero which is just perfect for Bluetooth presence detection.

If you don’t have a Raspberry Pi go grab one, almost any of the models will do.
