View source for Driver:4004 Nixie Clock

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== 4004 Nixie Clock ==

When switched on, the display is blank with 4 flashing dots. Press 1 to start the clock. The clock has 4 displays
 
#. Date
#. Days to retirement
#. Time
#. Time to retirement.

* To select a display, press 1, press 2, press 1 to choose the display. (0 = cycle through displays 1,2,3.)
* To set the time, press 1 twice, press 2. Press 2 to set the hours (24 hour time), press 1, press 2 to set the minutes, press 1, press 2 to set the seconds, press 1.
* To set the date, press 1 3 times, then press 2. The screen format is American (MM:DD:YY). Press 2 to set the year, then press 1 for the month, then the day, then a leap-year digit(?).
* To set the days to retirement, press 1 4 times.
* To set the time to retirement, press 1 5 times.

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== Intel 4004 == 
The Processor Intel 4004 was introduced in 1971, being the first processor that was mass produced and available on the mass market. (There were other with smaller production runs before like from Texas Instruments)

[[Categorie:1971]]