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This item sold on December 18, 2012.

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Our designers wanted to come up with something new....and they have outdone themselves... introducing "The NixieTherm"...a two tube Nixie thermometer now with color changing under tube LED lighting!

The result is the union of a modern microcontroller with a classic display technology to create a lovely hand made novel temperature indicator. In its transparent enclosure the device will set off any home or office setting or desk to advantage and what’s more, the unit even doubles up as a night light.

Nixie tubes have a special charm all of their own. This digital thermometer, which uses
just two tubes, is a little bit different. The temperature measurement itself is done
by a Dallas-Maxim DS1820 one-wire sensor, while an AT89C2051 microcontroller
processes the temperature information and drives the vintage Russian IN-16 cold war era Nixie tubes. Power consumption is less than two watts which makes it very energy efficient

The red and blue LED indicators indicate whether it is getting warmer or colder. The red LED lights when the temperature is rising, while the blue LED lights when the temperature is falling. If the temperature is steady from one reading to the next, neither LED lights. The size is 3 1/2 inches square x 3 inches tall with a removable clear cover.


Display range: 0 to 99 (Celsius or Fahrenheit)

Temperature sensor: Maxim-Dallas DS1820, accuracy 0.5 K

Power supply: AC power adaptor, 12 V to 15 V DC

Current consumption: 140 mA at 12 V

Tubes: Russian IN-16

Microcontroller: Atmel

Options: Choice of Celsius or Fahrenheit display (jumper)

Tube illumination RGB color changing LED's

LED trend (warmer/colder) indicators red and blue

In the box:



Power supply for North American mains. Other countries supply available on request

Nixie Tube Thermometer "The NixieTherm" with Color Changing Under Tube LED's


  • Handmade item
  • Materials: nixie tubes, nixie, vacuum tube, led, microcontroller, resistors, capacitors, clear plastic, black, temperature sensor
  • Ships from United States to select countries.
  • Feedback: 132 reviews
  • Favorited by: 30 people