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COFFEE-HOWTO

Fotis Georgatos, < gef@hellug.gr>
Annie Pinder, < ajp@leguin.org.uk>

v0.8, 30 November 2000

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One of the most memorable comments about software I have ever heard, is whether this or that can make coffee. Coffee is a world commodity that is second only to oil. Linux DOES make coffee. And it tastes good, as well!

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For a long time, humanity was wondering how could a computer make coffee... People need coffee wake up and stay awake in front of the computer for a long time. Everyone knows that coding is better at night...

The main problem is how to manage the coffee machine with the computer, so that it will be controlled by software. This generally means an ON/OFF switch implemented as a circuit which controls the coffee-machine's power supply.

This HOWTO has turned out in a public project, look at http://coffee.sourceforge.net/,

1. Menu

• 1.1 French
• 1.2 Nescafe
• 1.3 Frappe
• 1.4 Freddo
• 1.5 Espresso
• 1.6 Cappuccino

2. Electronic circuit

• 2.1 Driving voltage 0-5V from the computer
• 2.2 Controlling with a Relay
• 2.3 Controlling with TRIAC #1
• 2.4 Controlling with TRIAC #2

3. Software

• 3.1 Software
• 3.2 Device driver
• 3.3 Connecting with the Internet

4. Overdose symptoms

5. Expansions

6. References

7. etc

• 7.1 preface
• 7.2 Authorship and maintenance
• 7.3 Copyrights
• 7.4 Credits

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