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Readme.md

Coffee machine code kata

Code a bean-to-cup coffee machine. (Aside: Why? Because I've always wanted to do it.)

Lights

  • brewing
  • heating up
  • clean waste container
  • refill water
  • no beans

Featues (grinding + brewing = duration until cup is finished)

  • grinding (how much coffee)
  • strong: 7 seconds 25g coffee (x2 for full cup)
  • normal: 5 seconds, 12,5g coffee (x2 for full cup)
  • mild: 3 seconds, 8,5g coffee (x2 for full cup)
  • brew half a cup, 15 seconds (150 ml)
  • brew a cup, 30 seconds (300 ml)
  • hot steam to preheat cups (blocks brewing and visa versa, uses some water...)
  • water tank (2000 ml capacity)
  • bean reservoire (500g capacity)

Buttons

  • on / off (starts heating, heating always takes 20 seconds)
  • half a cup / cup (default: half a cup)
  • grinding
  • pressed once: thin
  • pressed twice: normal (default)
  • pressed thrice: strong
  • steam
  • start

So if you turn it on and the heating light shows that it's heated up and you press the start button it would brew half a cup normal coffee. It would take: 20 seconds (heatup) + 5 seconds (grinding) + 15 seconds (brewing) = 40 seconds.

Imagine it as something like the thing shown below:

Coffee Machine

About

Code a bean-to-cup coffee machine (heating, grinding, brewing; half a cup, cup and so on).

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