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Item condition:
Mar 23, 2014
GBP 49.95
Approximately US $75.75(including shipping)
GBP 10.95 (approx. US $16.61) Royal Mail International Signed | See details
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Item location:
Horsham, West Sussex, United Kingdom

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Last updated on  Jan 26, 2014 12:48:10 PST  View all revisions

Item specifics

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Manufacturer warranty: 1 year
Visit Store:   sparkletube
6 digits IV-18 VFD Clock with 2 Alarms. Newly designed!

6 digits IV-21 (ICL1-9/8L) VFD Clock with 2 Alarms. Newly designed!
Please welcome aboard new tiny brother of our bestseller IV-18 Clock

Key  features:  

  • Unique and new tiny VFD Clock on the market !
  • Fully assembled and tested VFD Clock
  • Eight  only 5mm high  digits (IV-21 VFD Tubes)
  • Displays Time , Date and 2 Alarm clock sets
  • Scrolling Date and Time Mode
  • Accurate & calibrated time clock source from internal crystal
  • Available in 2 modifications: 28 and 38mm hight.
    Please look at the pictures below

  • Integrated "proper" 2 Alarms Clock with snooze function
  • Easy control with only 2 buttons
  • Uses standard 9V DC or 12V DC wall plug Power Supply
  • Precision Seconds setup
  • Internal buzzer for Alarm1 and Alarm2
  • High efficiency integrated on board DC-DC converter

2 Main Modes: Display Mode and Setup mode

Display mode:
In the display Mode Clock indicates the following information:

Time  in format  HH-MM-SS ,
where HH are Hours (00-12 or 00-23),
MM is Minutes (00-59), SS is for Seconds (00-59)

Alarm1 in format HH MM, 1 indicates Alarm1 ,
where HH is Hours (00-12 or 00-23), MM is Minutes (00-59)

Alarm2 in format HH MM, 2 indicates Alarm2 ,
where HH is for Hours (00-12 or 00-23),
MM is for Minutes (00-59), SS is for Seconds (00-59)

Date in format :    DD.MM.YY
where DD is for Day (1-31),
MM is for Month(1-12), YY is for Year (00-99)

Setup Mode
Setup mode is for changing configurable parameters, allowing:

Set current Timeime
Set Alarm1 time, switch it on/off
Set Alarm2 time, switch it on/off
Set Date
Set 12 or 24 Time Display mode


 Time Mode:  Hours, Minutes and Seconds:
 Alarm1 Mode. Hours and Minutes:
 Alarm2 Mode. Hours and Minutes:
 Date Mode:
Newly designed tiny IV-21 VFD Tube Clock for your attention !

  • Unique ! Ideal gift -  Newly designed Vacuum Fluorescent Display Clock - just arrived on the market !t !
  • Optimal compact design to use in your PC, at home or small office environment
  • Available in 28 and 38mm hight modifications. Please look at the pictures below.
  • Reliable, simple to connect and easy to use Clock!
  • High efficiency and low power consumption for energy saving
  • Use it as a Clock on you table or as Alarm Clock to wake you up
  • Convenient Time and Date display reading
  • Easy control with only 2 buttons ( no remote control is required)
Buy it now, pay by cheque, postal order or credit card via Paypal

Specification & recommendation

  • It's fully assembled working  VFD Clock, giving you chance to concentrate your efforts on the case design!
    Please send me your complete Clock picture, as I am going to create picture gallery on my WEB page.
  • Clock works  from 7 to 15V DC, but 9v or 12V supply is recommended  choice
  • Power consumption:
    0.76W (85mA@9V) from wall plug power supply (all digits to display)
  • Internal buzzer generates simple one tone and  pause sound in Alarm1 or Alarm2 events. It will last for 1 minute, but could be shut off by pressing the button.
  • This clock has Alarm snooze function, so it's ideal fro your bedroom.
  • Frequency Test Mode can be activated to easily check and adjust clock frequency. In this mode Clock does not display or keep time and date, for 3 seconds it  displays 200000, which means  200KHz, than display switches off and  frequency check signal  is activated on the dedicated output pin. Use it to check it, if you have calibrated precision frequency meter or use this signal for your calibration purposes.
  • 1 year full warranty

  • Digit height  - 5 mm.
  • PCB board size  -  19x73mm
  • IV21 VFD clock, including IV-21 display tube and  button tips   - 38(28)x22x75mm
Latest SW and Documentation

  • The latest User Manual  is available to download. Please click  here.
  • Please download Connection and Layout Diagram here

  • Please feel free to ask me any questions regarding this VFD Clock. I'll do my best to respond to you within 12 hours.
  • Your design or new function suggestions, improvement are very welcome and will be considered ASAP.
Notice & warning

  • This clock is designed for inside use only. Do not use this Clock outdoor under any circumstances.
  • Some internal components are under High Voltage, before handling or maintenance work, be sure that it's switched off.
  • I do not accept any liability  may cause during improper or careless use of this Clock.
  • Due to high voltage on the board, do not use this clock in bathroom, under rain or in the wet and/or dusty conditions.
  • Due to constant improvement, your clock could be slightly different from the described above or shown on the pictures, but technical/electrical parameters and functionality will be the same or better than stated above.
For your information

  • Please look at my other items  we have designed for you!
  • Please add our WEB site to your favourites list, as more items will  come  soon.
  • Next product in my Clock line is ...  Please stay in touch to get the latest updates on existing and newly designed clocks  
  • Digital electronics design is our speciality. Please feel free to contact me if you have an idea you want to discuss or
    if you need to develop electronic device.
When you buy it, You will get

  • Fully assembled working VFD Clock. No power supply is  included.
    Power Supply  is available at extra £7-95 GBP for UK, USA/Canada and European Customers only.
  • Internal synch clock will be calibrated to get the best time accuracy.
  • User Manual with detail description how to control your Nixie Clock is always available for download
  • 1 Year full warranty.  

  • First Class Signed For Royal Mail delivery. Just small extra delivery charge to post it to Europe or to the USA, Canada.
  • Your Clock will be fully tested, calibrated and well packed  before I dispatched to you.
  • I'll dispatch  your Clock within 2-3 working day after I receive your payment.
Picture gallery

Please, click on the picture to enlarge it (opens in new window).

28 mm clock height   38 mm clock height   38 mm clock height   28 mm clock height
Tiny IV-21 clock and IV-18 clock     Tiny IV-21 clock and IV-18 clock  
Time: 00 hours 01 minutes 28sec   Alarm1 set to 6:30   Alarm2 set to 8:00   Date: 1 of January 2009

Business seller information

Konstantin Bodrenkov
PO BOX 766
West Sussex
RH12 9AW
United Kingdom


Return policy

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After receiving the item, open a return within
Return shipping
14 days
You pay return shipping

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