On Monday, 16 November 2020 at 06:27:30 UTC Richard Scales wrote:
> A little bit like this: > > > ??? > - Richard > > > > On Monday, 16 November 2020 at 05:45:47 UTC M1 wrote: > >> EG >> >> >> >> Definitely 3 displays for me. >> >> >> >> Michail >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf >> Of *Richard Scales >> *Sent:* Sunday, November 15, 2020 9:41 PM >> *To:* neonixie-l <[email protected]> >> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last! >> >> >> >> A quick update on the 2 x SP-353 display project. I have settled on a >> design that will drive two (or more later) SP-353 displays as a 6 digit >> clock. In order to keep things as small as possible the design stacks three >> boards. One for the displays, one for the drivers and one for the >> controller and power supplies. Also, in the spirit of keeping things small >> I have opted to use an NCH8200HV to generate the HV supply. >> I still get surprised when I design something on screen which can fill >> the entire screen space and then I print it out at 1:1 and realise that the >> thing is relatively tiny! >> >> >> >> I should get the boards back in a couple of weeks and hope to have >> something to show soon after that. We are still in lockdown in the UK so I >> have had a bit of time to work on this. >> >> >> >> Whilst my original idea was to make a 6 digit device to act as a clock - >> does anyone - (apart from those who may have already mentioned it) see an >> application for a version that drives 3 x SP-353 (9 digits) or even 4 x >> SP-353 (12 digits) ? >> >> >> >> - Richard >> >> >> >> On Thursday, 12 November 2020 at 14:35:01 UTC GastonP wrote: >> >> Beautiful clock and that case is gorgeous! >> >> On Thursday, November 12, 2020 at 11:01:32 AM UTC-3 dixter wrote: >> >> Very nice... would be nice if a kit was to come available... :-) >> >> On Wednesday, November 11, 2020 at 5:13:14 PM UTC-6 [email protected] >> wrote: >> >> Well done! Looks great! >> >> On Wednesday, November 11, 2020 at 2:20:02 PM UTC-5 M1 wrote: >> >> No, >> >> I don’t want it for a clock. 😊 >> >> >> >> www.VoltageGoat.com >> >> >> >> >> >> Michail >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf >> Of *martin martin >> *Sent:* Wednesday, November 11, 2020 7:17 AM >> *To:* neonixie-l <[email protected]> >> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last! >> >> >> >> Michail, you want to display milliseconds? >> >> >> >> >> >> >> >> ~ >> >> *[email protected]* >> >> >> >> >> >> On Wed, Nov 11, 2020 at 6:14 AM Michail Wilson <[email protected]> wrote: >> >> I’m interested. >> >> >> >> Also, would it possibly be adaptable to a 3x display? (9 digits) >> >> >> >> Michail Wilson >> >> 206-920-6312 <(206)%20920-6312> >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf >> Of *Richard Scales >> *Sent:* Wednesday, November 11, 2020 2:18 AM >> *To:* neonixie-l <[email protected]> >> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last! >> >> >> >> Would anyone with SP-353's or even SP-352's be interested in a direct >> drive version of this clock using HV6522 drivers and driven from a Wemos >> micro? >> >> >> >> I'm hatching a cunning plan.... >> >> >> >> >> >> >> >> >> >> This is a display board for SP-353's, behind this would be a board with >> HV5622's then behind that the controller and power supplies etc. >> >> >> >> should I carry on or give up now? >> >> >> >> - Richard >> >> >> >> On Wednesday, 11 November 2020 03:18:32 UTC, Richard Scales wrote: >> >> I'd be interested in that - please keep me posted. >> >> Richard >> >> >> >> On Tuesday, 10 November 2020 16:34:52 UTC, Bill Stanley wrote: >> >> It might be a bit premature but I am working on a MK5017 emulator. It is >> a 2 board stack the size of the Mostek chip that (hopefully) plugs into the >> socket to replace the original chip. >> >> The top board holds an 8051 chip (SiLabs C8051F381-GQR) and a DS3231S >> clock chip. The lower board has the 15V to 3.3V power supply and the >> 3.3-15V translators to look like PMOS logic. I also have a development >> board with power supplies, drivers, switches and 7 segment LEDs to simulate >> the main clock for code development. There is also a connection to allow >> GPS + PPS synchronization. >> >> >> >> The PCBs are in and as soon as I can work with a microscope, I will >> assemble and work on the construction. >> >> >> >> I will make everything available including OrCad schematics, Allegro >> layouts, bare PCB, code etc for anyone interested. >> >> >> >> -Bill- >> >> >> >> On Tuesday, November 10, 2020 at 8:20:19 AM UTC-8 Richard Scales wrote: >> >> Thank you, that signal is present in all its glory. I got a circuit >> diagram and could see that it was rectifying AC from the transformer so >> that was the first place I looked. The signal was good. Given that the >> clock chip is multiplexing the displays nicely I'd be surprised if it had >> failed. >> >> I've also checked that all the various switch contacts are good and they >> do seem to be. >> >> I don't think that replacement clock ICs are going to be that easy to >> locate! >> >> Richard >> >> >> >> >> >> On Tue, 10 Nov 2020, 16:08 Bill Stanley, <[email protected]> wrote: >> >> A possible cause of the failure to count is the 60Hz signal the clock >> uses for a time base. Look at pin 23 of the MK5017 with a scope for a half >> wave 60 (or 50) Hz signal. >> >> >> >> -Bill- >> >> >> >> >> >> On Tuesday, November 10, 2020 at 7:10:26 AM UTC-8 Richard Scales wrote: >> >> Thank you. I have a Heathkit clock that needs some assistance. It does >> everything it should do apart from increment the time. The clock chip is >> driving the displays so I'm thinking it's OK but it just won't count time. >> >> I wasn't thinking of offering a kit but if anyone has a set of SP-101's >> then I can help out with Pcb's for this version as well as another one that >> I hope to have ready soon. >> >> Richard >> >> >> >> >> >> On Tue, 10 Nov 2020, 14:11 martin martin, <[email protected]> wrote: >> >> Your clock looks great! I'm currently fixing this 1970s Heathkit with an >> overheating power transformer. >> >> >> >> And yes! I would be interested in a kit >> >> >> >> >> >> >> >> ~ >> >> *[email protected]* >> >> >> >> >> >> On Tue, Nov 10, 2020 at 6:04 AM Richard Scales <[email protected]> wrote: >> >> I could make plans available, or all hinges on having the displays. >> >> The rest of just smart sockets albeit ones I made work for these 7 >> segment displays. >> >> I have another design which is a direct drive approach and is therefore >> much simpler in terms of hardware whilst the software has to do a lot more >> of the heavy lifting. >> >> I'll show that when ready. I'm just waiting on updated pcb's to arrive. >> >> Richard >> >> >> >> On Tue, 10 Nov 2020, 13:58 Michail Wilson, <[email protected]> wrote: >> >> Love it. >> >> >> >> Plans, Open source, only one or making a kit available? >> >> >> >> Michail Wilson >> >> 206-920-6312 <(206)%20920-6312> >> >> >> >> *From:* [email protected] <[email protected]> *On Behalf >> Of *Richard Scales >> *Sent:* Tuesday, November 10, 2020 1:39 AM >> *To:* neonixie-l <[email protected]> >> *Subject:* [neonixie-l] SP-101 Clock, finshed at last! >> >> >> >> I've finally completed this: Six SP-101 panaplex displays being driven by >> 'smart sockets' which are getting their instructions from a Teensy Micro. >> >> >> >> A Wemos provides NTP sync, sensor reading (temperature and pressure) , >> Web scraping (local wind speed and direction) and random words. >> >> >> >> It does the best it can with only 7 segments. Also includes microwave >> motion detection so the thing is only displaying data when there is someone >> there to see it! >> >> >> >> I got green pcb's so the case is especially tinted to match. >> >> >> >> - Richard >> >> >> >> >> >> -- >> 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/4eb4cac2-d704-4464-8789-f13d1491b881o%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/4eb4cac2-d704-4464-8789-f13d1491b881o%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "neonixie-l" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/neonixie-l/l9hzbmAmbnY/unsubscribe. >> To unsubscribe 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