Demonstrates:

software response to tv remote controller buttons (tv requires cec - consumer electronics control)
runs on any model of raspberry pi
use of the advanced zig programming language (a replacement for c)
use of ultibo - a high quality pascal-based unikernel

Requires:

any model of raspberry pi with a power supply
an hdmi tv that has cec (consumer electronics control)
an hdmi cable
the remote controller for the tv
a computer that can write an sd card
an sd card that you can erase - its contents will be destroyed

Steps:

with the computer
- format the sd card as FAT32
  - this destroys the current contents of the sd card
- download the zip file
- unzip it to the sd card
- safely eject the sd card
insert the sd card into the pi
connect the pi to the tv using the hdmi cable
turn on the tv
apply power to the pi
you should see a green border with large white regions with black text on the tv

Operation:

press the arrow keys on the tv remote controller - you should see the activity reflected on the tv