"Hey where is the Pi?" asks Andrei. After some in-depth search in the treasury box I can find an RPi model A. Here you go!
"Hey I need a DIPSY too! says Andrei an hour later - I take one from my desk, here you need some wires too!
Andrei connects the wires, and types the command to configure DIPSY:
This is the first time this RPi was ever used.
This is the first time DIPSY was used with RPi.
This is the first time Andrei has ever done anything with RPi.
There was no need to change anything in the code.
There was no need to change the wiring.
It just worked on the Pi.