This is the link:

Shopping list:

To follow this guide exactly you'll need:

* 2x Raspberry Pi - you can use anything from a Pi 1 Model B to a Pi 3 or beyond, but a Pi 2 or 3 work best

* 1x PiTFT 2.8", 3.2" or HAT, get on that matches your Pi

* 1x MCP9808 temperature sensor board

* 1x Raspberry Pi Camera

* 2x WiFi dongles or ethernet cables (or builit in WiFi on a Pi 3)

* 4x Female to female jumper cables

* A plastic container for the sender

* Some duct tape