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Ice Tube Clock Kits
Ice Tube Clock Kits

Our Price: $84.99

Availability: Usually Ships in 1 to 2 Business Days
Product Code: MKAD16

Description How To More Details

The Ice Tube Clock Kit is a beautiful new kit that meets somewhere at the junction of modern open-source hardware and early 80s Russia. The centerpiece of this old-meets-new clock is a Russian-made, 9-digit, vacuum florescent display (VFD). These types of displays were typically used in electronics form from the late 60s through the mid 1980s. Remember those bright green VCR and boom-box displays? Yep, those were most likely a type of VFD.

Included in the kit is everything you need to build a complete VFD clock. The power source, case, VFD tube, and all the electrical components are ready to be soldered together right out of the box. They even include the coin-cell battery for the battery backup system. The kit features an alarm, with a snooze function, and adjustable brightness, which makes it perfect for your nightstand.

Please note: This kit generates a high voltage 40V to 70VDC. Only persons who are competent at electronics assembly and understand the dangers of high voltages may attempt to assemble this kit. Safe assembly and operation of this kit is the users responsibility.


  • Cool glowing blue tube with 8 digits, PM dot and alarm on/off indicator
  • Adjustable brightness
  • Alarm with volume adjust
  • Precision watch crystal keeps time with under 20ppm (0.002%) error (< 2 seconds a day)
  • Clear acrylic enclosure protects clock from you and you from clock
  • Battery backup will let the clock keep the time for up to 2 weeks without power
  • Selectable 12h or 24h display
  • Displays day and date on button press
  • 10 minute snooze
  • Integrated boost converter so it can run off of standard DC wall adapters, works in any country regardless of mains power
  • Great for desk or night table use, the clock measures 4.9" x 2.9" x 1.3" (12.5cm x 7.4cm x 3.3cm)
  • Completely open source hardware and software, ready to be hacked and modded!

Average Customer Review: 5 of 5 | Total Reviews: 10 Write a review.

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  2 of 2 people found the following review helpful:
superb customer service/excellent clock April 3, 2013
Reviewer: Alan Polinsky from Brooklyn, NY United States  
I am an old kit maker from the time of the Dyna Stereo 70 amplifier and Heathkit Ar 15 (and later 1500) receivers. I approached the clock with no fear, but speed got the best of me. I broke a wire on the display tube. When I contacted the Make folks, I was sent a replacement kit which was put together without a problem. The clock is exceptional. Thank you Eric and Keith!

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  1 of 1 people found the following review helpful:
Neat design. awesome display March 16, 2013
Reviewer: William G. from Punxsutawney, PA United States  
Overall an above average product. Easy to assemble. A quick fix for a loose fit of tube into case was a piece of fish tank tubing (clear). The instructions want you to adjust the tube wire length while assembling but I thought the excess wire length looked tacky.. A+ on this one. Good rating because the parts of the case fit a little off and the holes are slightly off. Still a presentable unit.

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  1 of 1 people found the following review helpful:
Really fun kit! March 16, 2013
Reviewer: Paul Miller from Middleton, WI United States  
I really enjoyed putting this together. The instructions are fantastic, easy to understand, with plenty of pictures. And Adafruit customer service is amazing! At some point in the build the included 9V power supply freaked out and started putting out 14V, which fried my microcontroller. I explained the problem in the support forums and a couple days later received a new power supply and controller. Huge success!

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  0 of 0 people found the following review helpful:
Awesome clock & Excellent customer service February 2, 2013
Reviewer: Matthew E from TX United States  
Main PCB in first kit was damaged. I contacted customer support and was told they would send a new PCB. A few days later I was emailed by MakerShed and was told no replacement PCB could be found, so they are sending another complete kit., which they did. Maker Shed is awesome. Instructions were detailed enough for me. Just take your time. Size of clock is approximately the size of 2 Samsung GS3's stacked on their side. This was my first purchase from Maker Shed and I plan on making more purchases in the future.

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  2 of 2 people found the following review helpful:
Very Good October 23, 2012
Reviewer: Adam Theriault from Calgary, AB Canada  
A bit small for the money but hey. Its around the size of your fist. The pins on the VFD are not clearly labeled so be careful.

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