OpenHardware-Pluggable-USB Powered IV-11 Single Digit VFD Tube Clock

OpenHardware-Pluggable-USB Powered IV-11 Single Digit VFD Tube Clock
OpenHardware-Pluggable-USB Powered IV-11 Single Digit VFD Tube Clock
Instructions for the IV-11 SD clock V1.5
Adobe Acrobat Document 238.0 KB

Open Hardware Files:

Eagle source files
Files Format in EAGLE:Easily Applicable Graphical Layout Editor
Version 6.1.0 for Windows
compressed file archive 68.1 KB

OpenHardware-Pluggable-USB Powered IV-11 Single Digit VFD Tube Clock
IV-11 Single Digit VFD Clock with acrylic enclosure
Brand new,I designed and made it by myself.

Product Change Notification in V1.5:

1. Have moved the two buttons to the backside;
2. Have add the socket female pins on the PCB, which you can replace the tube by hand;
Update the RTC to DTCXO (
temperature compensated crystal oscillator) version, High Stability, Highly accurate.
It has
±1.9ppm (Equivalent to ±4.94s seconds of month deviation) under 0ºC~+40ºC. Usually you don't need to set the time for over a year.

(For reference only)

Tube Name: IV-11 (Made in the U.S.S.R.)

Tube Size: 22.5mm(Dia.);

Tube Height: 60mm(no including the legs);

Digit Height: 21.0mm;

Digit Width:14.6mm;


Clock Supply: 5V DC via USB;

Working Current: <=250mA;

Clock Size: 54mm(L)*46mm(W)*70mm(H)

PCB Size: 44mm*36mm;

PCB Color: Black;

Weight: 43g(with the tube);

For home use only.

The clock works with any standard USB power supply,use only high-quality adapter!

(For reference only)

1).5V USB powered, easy to be used. Can connect to your computer's USB plugs directly.

2).Support 12H or 24H display modes, leading zero blanking is programmable.

3).Display date in all format: YY.MM.DD or DD.MM.YY or MM.DD.YY or even MM.YY.DD.

4).Support 3 different Effs : Normal/Fading/Cross Fading for displaying time.

5).High accuracy DTCXO RTC inside, ±1.9ppm, usually ±4.94 seconds (Max) per month. 6).Simple setting by using 2 buttons only and supports IR remote control.

7).Three alarms with weekends ON/OFF support, can be controlled individually.

8).Three programmable Auto Power ON/OFF mode, can turn ON/OFF tubes in any time you want. This function can save tubes life.

9).8-level adjustable tube bright with Auto-brightness feature(its ability to adjust the tube brightness depending on the current environment).

10). Rechargeable Backup Battery or Farad capacitor keeps RTC running during power outages.

11).Tri-colored RGB LED mounted under the tube. This LED can display any color with a lot of pre-defined auto color change effects.

12).Store user settings in non-volatile memory.

13).Beautiful CAD designed acrylic case made using a laser cutter makes the clock look beautiful. You can assemble/disassemble the case by using only 4 screws on the bottom of the case. The case also has 4 bumpers as feet on the bottom of the case in order to stop to prevent case's damage.