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Coffee update: (coffee#2)
1] Replaced faulty ULN2004 on main/old coffee control board.
2] Remember to do chmod u+s for test.cgi after compilation
3] Using ULN2003 with parallel port -
- pin 8 to GND
- pin 9 to 12v, 1K to pin 16,15 and so on (control lines)
- 16,15 and so on to coffee machine control pins
1->7 control pins from parallel port (pin 2+)