Click the Flag for French version
Single digit Nixie clock
(Can
drive any other display from the BCD output)
User guide V1.0
MCU
based single digit clock with loads of « intuitive »
functions:
· Display time flashing digits one after another
· 12Hr or 24Hr time display
· HH:MM or HH:MM:SS
· DD/MM/YY or MM/DD/YY date format
· automatic calendar (leap year calculation)
· Fade-in display or straight display
· Software controlled luminosity, can be adjusted
globally and hour per hour (smooth steps from very low to maximum)
· Seconds beat output (to drive LED, Neon lamp or Nixie
dot)
· Bottom LED tube high-lighting software controlled
· Precision setting (allows zero second easy precision
setting)
· Alarm with auto repeat & snooze functions
· Chimes (programmable)
· Vacation mode (time on demand mode, keep the HV turned
off until the button is pressed to display the time)
· User programmable “sleep” hours with loads
of options for each hour
a.
specific dim
display (from 0 to 100%)
b.
chime (yes/no)
c.
tube on/off (when
off, time will be displayed when button pressed)
d.
LED on/off
· CPU controlled dynamic duty high voltage generation
for Nixie tubes
Easy single
button entry for all functions:
A short press of the button
gives:
· during normal display.è will display the date
· during alarm . . . . .è will
activate the snooze function
· during vacation mode .è will display the time
A long press of the button
gives:
· during normal display or
display off. è will enter the menu*
· during alarm . .
. . .
. . . . è will shut alarm off (for the
day only) (audible double “bip” confirmation)
*Enter the menu:
A long press on the button
will enter the menu, releasing the button will select the displayed menu entry;
menu entries are blinking digit display:
0 Displays
alarm and allows on/off setting
1 Alarm
set, (press the button when the
desired digit shows-up, display is repeated after alarm has been set, and time
can still be corrected during the repeated display)
2 Time
set, (press the button when the
desired digit shows-up, the new entry will repeat and the second indicator will
start to blink very fast until you press again the button to set the
3 Date
set, (press the button when the
desired digit shows-up, display is repeated after date has been set)
4 Sleep
menu: (display in form “HH – s -
- for each hour, user can set the desired flag and dim option when
available (Note: preset factory chimes are 9am, noon, 3pm, 6pm, 9pm, and
midnight)
- flag(s)= 0 è display off, DP off, LED off, chime off (at button press, clock will
display the time and will temporary turn on the LED)
- flag(s)= 1 è display off, DP off, LED off, chime on
- flag(s)= 2 è display in daylight hour settings, chime off, LED on
- flag(s)= 3 è display in daylight hour settings, chime on, LED on
- flag(s)= 4 è sleep hour, display off, chime off
- flag(s)= 5 è sleep hour, display off, chime on
- flag(s)= 6 è sleep hour, display on in sleep luminosity, chime off, LED on
- flag(s)= 7 è sleep hour, display on in sleep luminosity, chime on
- flag(s)= 8 è break the setting sequence. Will exit from sleep time settings
(setting the hour value to be set to 25 will also exit the
“sleep” settings)
- flag(s)= 9 è NA
5
Switch between 12H
and 24H format
6
Switch date format
between DD/MM/YY AND MM/DD/YY
7
Switch display
format between HH:MM AND HH:MM:SS
8
Switch between
vacation mode (time on demand) and normal operation mode
9
Select the
calibration sub menu (displayed at high rate blink)
- 0 è select daylight luminosity (increasing first)
- 1 è select daylight luminosity (decreasing first)
- 2 è crystal day late in second (number of second to add per day)
- 3 è crystal day advance in second (number of second to subtract per
day)
- 4 è crystal month late in second (number of second to add per month)
- 5 è crystal month advance in second (number of second to subtract per
month)
- 6 è crystal year late in second (number of second to add per year)
- 7 è crystal year advance in second (number of second to subtract per
year)
- 8 è select time display speed AND, if speed is not changed/selected,
Switch between smooth Fad-in and straight display
- 9 è NA
Version 1 rev 0 - Patrick
Mignot 2009