: The glass tube is filled with a low-pressure gas, usually neon. It contains a wire-mesh anode and multiple stacked cathodes shaped like numbers.
: A key topic in these circles is "cathode poisoning"—a phenomenon where inactive digits become coated in sputtered material. Modern builds often include a "de-poisoning" cycle that scrolls through all numbers to extend the tube's life. 3. Cultural Presence
Outside of electronics, "Nixie" appears in various niche areas: nixie night
: Projects often emphasize aesthetics, using materials like oak, acrylic, or brass to contrast with the vintage "steampunk" glow of the tubes.
: Participants learn to handle the unique requirements of Nixie tubes, such as high-voltage power supplies (boost converters) and microcontrollers like Arduino to drive the logic. : The glass tube is filled with a
: When a high voltage (typically 170V–180V DC ) is applied, the gas surrounding the selected cathode ionizes and glows with a distinct orange-red light.
: Popular in the 1950s through the 1970s for laboratory equipment and calculators, they were eventually replaced by LEDs and LCDs. 2. The "Nixie Night" Concept Modern builds often include a "de-poisoning" cycle that
A Nixie tube is a cold-cathode gas-discharge display used for showing numerals or other information.