It looks like it is almost working, so might be worth trying to repair, though space can be pretty tight in there. I was in a similar situation and chose to replace the electronics with a clock kit. I modified it heavily to also work as a bluetooth speaker with audio visualization https://youtu.be/3Jtd4h9_4nk.
An alternative to a clock is a vector graphics game mod (think battlezone and asteroids). This is one https://hackaday.com/2015/12/29/32c3-vector-video-games/, this is another https://hackaday.com/2020/05/07/scopetrex-is-a-game-console-for-your-oscilloscope/. I'm not sure if these are replacements, or if they just connect to the X/Y inputs of a working 'scope. On Monday, April 25, 2022 at 9:44:57 AM UTC-4 Toby Thain wrote: > On 2022-04-24 7:45 p.m., Mac Doktor wrote: > > > >> On Apr 24, 2022, at 6:10 PM, 'John Rehwinkel' via neonixie-l > >> <[email protected] <mailto:[email protected]>> wrote: > >> > >>> I'd *really* like to know what frequency ratios of oscillators B and > >>> C create static or cycling patterns (A & D produce a lissajous figure > >>> baseline)). My idea is to use something like an Arduino with some > >>> rotary encoders that jump between ideal frequencies. > >> > >> Not high frequency at all, that project was from 1975. Oscillator A > >> is 60Hz, oscillator B is variable from 60-240Hz, oscillator C is > >> variable from 300-3000Hz, and oscillator D is variable from 30-300Hz. > > > > True but we're dealing with square waves here. Doing this digitally > > (which I am very interested in) requires a decent sampling rate to keep > > the corners sharp, which is a large part of the appeal of this analog > > version. Having tried it with a laser and some galvos I can tell you > > that good bandwidth makes a big difference. And that's as much as I know > > about it. I'm here to learn from you guys. > > I've been working on a vector generator. The first iteration is about > 20k vectors/second but supports lines and points only (no circle > segments or anything fancy yet). Just finished routing the PCB. > > It should be usable with most dev boards that use Arduino Uno pinout > (3.3v or 5v). I have been testing with NXP Freedom KE06Z but I expect to > port the code to Duemilanove and STM32 Nucleo G474RE at least. > > Sample output: https://imgur.com/a/fZfqSmG > > --Toby > > > > > > > >> I've been using a Teensy board, that processor has a pair of built-in > >> DACs, so it wasn't hard to have the old scopes display their own names. > > > > 8 bit DACs? Tell me more. > > > > > > Terry Bowman, KA4HJH > > "The Mac Doctor" > > > > https://www.astarcloseup.com <https://www.astarcloseup.com> > > > > “...the book said something astonishing, a very big thought. The stars, > > it said, were suns but very far away. The Sun was a star but close > > up.”—Carl Sagan, "The Backbone Of Night",/Cosmos/, 1980 > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "neonixie-l" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] > > <mailto:[email protected]>. > > To view this discussion on the web, visit > > > https://groups.google.com/d/msgid/neonixie-l/F63C6D78-CE08-4103-ACD8-E274FCAA4288%40gmail.com > > > < > https://groups.google.com/d/msgid/neonixie-l/F63C6D78-CE08-4103-ACD8-E274FCAA4288%40gmail.com?utm_medium=email&utm_source=footer > >. > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/7723cd70-94af-40da-9179-ac46267166bbn%40googlegroups.com.
