Nixie watch uses vacuum tubes to tell time nixie tube, vacuum. It supports in12ab and in15ab tubes, giving you the option of displaying numbers, decimal points and symbols. Nixie tube driven from a single aaa battery waynes tinkering page. How to mod a cvs disposal camera flash circuit to run a cfl light. I am using disposable camera guts to produce 170v to power a nixie tube. Back in the 1970s, the now largely forgotten, nixie tubes were the height of display technology. An scrbased nixie driver, nice but scrs are expensive today.
There are lots of disposable camera instructables on the site. Disposable camera nixie tube driver december 12, 2008 by caleb kraft 10 comments disposable cameras are quite cheap, and include circuitry that produces very high voltages. It started years ago at a maker faire where i built a nixie tube. While still functional they are fragile when compa. Nixie tubes still enjoy a following among enthusiasts of retro technology. Before i get too far in this instructable, i would like to say that this was not my original idea. Note the digital pins of the arduino that are connected to the nixie driver. Picture of disposable camera nixie tube driver infinite mirror, nixie tube.
I plan on using the guts of a disposable camera to power them and ill be running it with my uno. Disposable cameras are quite cheap, and include circuitry that produces very high voltages. I will be testing this for application in the electrolysis experiments. The nixie tube driver from doayee is a convenient and easy way to implement a 6digit nixie tube display into any project of yours. Ive ordered a couple in16 nixie tubes and a small set of 74141 drivers. This video shows our first successful trial lighting an 11w 220 v cfl using a 1. I figured i could use a potentiometer to get the 5v to 1. Average cost to drive 6 nixie tubes without the tubes itself. I got some disposable camera guts for my nixie tube clock per this tutorial. An scrbased neon lamp driver, usable as a cathode driver in a multiplexed circuit if there is a small interdigit pause to turn off the scrs. How to mod a cvs disposal camera flash circuit to run a cfl light bulb. Feel free to visit my website hp printer drivers ernestine. A few years ago, i was given by an uncle, an old nixie tube he had. Im pretty new with arduino, i was wondering, since each nixie tube will need 4 pins from the 74141, how to i deal with not having enough outputs on the board.
Performance is still dismal as its output is only 30%. Tubetime blog archive miniature coin cell nixie tube power. Nixie tube gmail unread mail count notifier curious inventor. The cathode corner nixie watch displays the time on nixie tubes, which are quaint. He then moves on to power a nixie tube using this circuit and calculates the efficiency. Contribute to captdam nixie tube driver development by creating an account on github. Resembling vacuum tubes, nixie tubes are actually a coldcathode tube variant of a neon lamp. In this episode shahriar explores the principle operation of a camera flash circuit.
The ics come in a dip16 package plastic or ceramic and there are a few rare flatdip. I ripped apart a disposable camera fuji and started testing the flash circuit with surprising results. Most nixie tube drivers require the obsolete and hard to find 7441 or 74141 ttl decoder driver ics, or else high voltage driver transistors. This is my first test driving a burroughs b5853st nixie tube using a 160 volt boost converter salvaged from a disposable camera flash assembly. An anodescanning display, which even has a dimming control. Ive sometimes been tempted to build a nixie tube clock, but the difficulties and expense always put me off. Im using a 100kohm potentiometerwhich i plan on replacing with a trimmer pot to. I dont want to buy an expensive prefabricated nixie tube driver. He then moves on to power a nixie tube using this circuit and calculates the efficiency of the dcdc converter for this type of application. Camera flash circuit and nixie tube tutorial the signal path. Back in the 1970s, the now largely forgotten, nixie tubes were the height of display. In a future video i will show how we hacked the cvs. I wanted to produce a nixie display using easily obtainable parts well except for the nixies, and at the same time keep the parts count low.
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