One of my friends, who owns a pizzeria, had a problem with the number of thinks he had to account for in the kitchen. The time needed to cook the fries was different from the time needed to cook the onion rings, and so on. So he came to me with this request:”Hey Mike, could you build from scratch a module with 4 timers that would be independent and programmable?”So that was my challenge. Since I know a bit of Python and how to use à Raspberry Pi, this looked like the obvious choice to start. The Raspberry pi zero W is inexpensif and is quite versatile.Add to that, Adafruit 7 segment digits, some push buttons, a piezo buzzer and “voilà” the MKT is born.First of all, a crude schematic”