hae you consider putting in rows of holes for pin headers so you could use it for remote tube sockets ?
On Monday, November 15, 2021 at 4:54:25 AM UTC Richard Scales wrote: > Ah, OK, I can see what you did there - excellent. > > .... and you can see that I did mostly the same, I just modified the > circuit board to fit the tubes - same software! > > - Richard > > > On Sunday, 14 November 2021 at 16:02:36 UTC valve monky wrote: > >> [image: IMG_20210311_233608.jpg] >> photo of it rear >> On Sunday, November 14, 2021 at 4:50:02 AM UTC Richard Scales wrote: >> >>> @Mark Moulding - actually - no - that's it, that's all there is. The >>> logic is hiding on the back: >>> >>> [image: Capture2.JPG] >>> >>> It consists of a WeMos D1 min micro controller which handles most >>> everything. Individual TLC5916 drivers - one per tube then there is an >>> optional DS3231 RTC which requires a battery to keep it going during power >>> outage. >>> >>> I have never actually bothered with fitting the RTC as the WeMos syncs >>> the clock with NTP time. >>> >>> There are connections for a button, a motion control device and there is >>> a light dependant resistor which will dim the tubes when the ambient light >>> decreases. All configuration is via a web gui - the software that runs >>> everything is from Ian Sparks and has been used with his kind permission. >>> >>> There are options for powering it via USB (that chunky rear entry socket >>> type) or by 12V barrel connector (using a simple 12V to 5V module which >>> behaves like a 7805 but is in fact a proper power supply inside). >>> >>> There is also the option of under tube LED 'bling' which by default uses >>> APA-106 LED's though I have made some tiny PCB's that will solder as >>> APA-106 but actually have a WS2812B neopixel. It all depends on how far the >>> nipple on the tubes extends into the hole that I have made for them. >>> >>> The overall design should allow the construction of a fairly skinny >>> case. >>> >>> - Richard >>> >>> >>> On Saturday, 13 November 2021 at 18:18:08 UTC Mark Moulding wrote: >>> >>>> @Valve Monky: That's a nice-looking clock! The beveled edges of the >>>> plywood give an attractive effect to a look I'm ordinarily not too fond of >>>> - nice job! >>>> >>>> @Richard Scales: I assume this is a separate display board for a logic >>>> board somewhere else in the clock. That's the approach I took, so that I >>>> can make different clock layouts without having to redesign the whole >>>> clock >>>> every time. Regarding the tube spacing, I think you're going in the right >>>> direction - every time I moved them closer, the clock looked better. This >>>> is a terrible picture, but the clock looks pretty nice in person... >>>> >>>> Initially I put the drivers on the main board and used a ribbon cable >>>> to connect the two (I'm using 74LS595s to directly drive the filaments, >>>> non-multiplexed). However, routing that wide cable turned into a hassle >>>> sometimes, so now I just have an eight-conductor cable (power, ground, >>>> shift clock, data, load strobe, output enable, colon, light sensor). Of >>>> course, laying out the traces between the tubes and the drivers is almost >>>> the most tedious part, but they're not at all critical so I just let the >>>> PCB package take a stab at auto-routing - the result frequently looks >>>> ugly, >>>> but it changes a two-hour job into a three-minute one. >>>> >>>> It turns out that sockets for the DTF-104Bs are still commonly >>>> available from the vintage audio dealers - they're 9-pin Novar/Magnoval >>>> sockets, such as this one >>>> <https://tubedepot.com/products/9-pin-novar-magnoval-socket>. If you >>>> lay out the board with larger pin holes, you can use point-to-point >>>> sockets >>>> like these as PCB mount. Just make sure to have a tube in the socket when >>>> soldering onto the board, so that the pins are lined up correctly. >>>> ~~ >>>> Mark Moulding >>>> >>>> [image: LeopardClock (Large).jpg] >>>> On Saturday, November 13, 2021 at 9:08:18 AM UTC-8 Pramanicin wrote: >>>> >>>>> Excellent stuff....those tubes look great. >>>>> >>>>> On Fri, Nov 12, 2021 at 8:01 PM Richard Scales <[email protected]> >>>>> wrote: >>>>> >>>>>> >>>>>> I'm about to embark on a similar journey - I've gone for tighter tube >>>>>> spacing which I'm not 100% convinced will be right - time will tell. >>>>>> >>>>>> [image: Capture.JPG] >>>>>> >>>>>> - Richard >>>>>> >>>>>> >>>>>> On Friday, 12 November 2021 at 17:32:30 UTC newxito wrote: >>>>>> >>>>>>> Nice job, that's a great looking clock! >>>>>>> >>>>>>> valve monky schrieb am Freitag, 12. November 2021 um 17:25:44 UTC+1: >>>>>>> >>>>>>>> [image: IMG_20210311_233745.jpg] >>>>>>>> >>>>>>>> -- >>>>>> 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/aaad07c8-c0b8-4f4e-8620-4da962684728n%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/neonixie-l/aaad07c8-c0b8-4f4e-8620-4da962684728n%40googlegroups.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]. 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