Nixie Clock IN-12 4 tubes / Brutal

Nixie Clock IN-12  RGB 4 tubes

Case produced from plastic by 3d-printing.

-Installed program is for the real-time clock;
-RGB LED lighting and lamps refer to the Soviet period - IN12 tubes
-The chip decipherer K155ID1 and DC SHIM converter on a microcontroller (170V). 

You can control the clock with three buttons - "reduce" (<), "menu" (ok), "increase" (>).   
By clicking and holding on to the "<" button, the alarm is triggered ; 
By clicking on the ">" button, the clock switches to seconds ;
At the click of the "ok" button, the following modes are available:  
1 - Setting up current time “hours” (PM); 
2 - Setting up current time “minutes” (MM); 
3 - setting the alarm “hours”  (PM); 
4 - setting the alarm “minutes” (MM); 
5 - 0-no sound, 1-hour signal and the sound of buttons, 2 - alarm clock and other sounds ; 
6 - brightness of the glow of lamps from 1 to 10; ; 
7 - the choice of the RGB lighting modes:
static (1-7),
change of color every minute (8), 
smooth busting (9),
color to be fixed (10), 
disco (11); 
8 - displaying temperature every 15 seconds (optional for 4 tubes Nixie Clock) : (On/Off) (1/0)  ; 
9 - Calibration of quartz (99; -99 ) / 
Show of working time for calibration of quartz, in the clock (0-9999). 
Automatic exit from settings after 15 seconds of inactivity.
During the display of something, the constantly glowing points of the watch mean a negative value. 
After turning on, the clock flashes 7, before setting the time, telling the user that the time is not correct.

The clock is powered by any USB charger from your phone with the appropriate cable or 5 volt power supply.