would love to have one of these... put me down for one please... :-) On Sunday, September 5, 2021 at 6:53:11 AM UTC-5 W1SBY wrote:
> David, > Put me down for one. > > My Scope Clock 2.0(1?) failed. Something in the high voltage doubler > circuit. It let the magic smoke out of one of the smt caps. I haven’t dug > into it further as I don’t have much experience with high voltage > troubleshooting. > > Any help would be appreciated > > > Allen Wisbey, W1SBY > > > > On Sep 4, 2021, at 10:30 PM, David Forbes <[email protected]> wrote: > > > > Thanks! > > The Teensy has a USB port. You can send timing info there. Someone may > > want to write that code. I have no strong inclination to make it > > super-accurate, because it's just a table clock. It uses a DS3232 RTC > > chip. > > When I need to know what time it is with picosecond accuracy, I > > consult one of the hydrogen masers at our radio telescopes that > > participate in the Event Horizon Telescope. > > > > > >> On 9/4/21, Michail Wilson <[email protected]> wrote: > >> Me too. At least one. > >> > >> Going to add Wifi for NTP? > >> > >> Michail Wilson > >> 206-920-6312 <(206)%20920-6312> > >> > >> From: [email protected] <[email protected]> On Behalf > Of > >> Richard Scales > >> Sent: Saturday, September 4, 2021 7:33 PM > >> To: neonixie-l <[email protected]> > >> Subject: Re: [neonixie-l] Cathode Corner Scope Clock is nearing > production > >> > >> I don't have a scope clock - yet ..... > >> I'm looking forward to seeing detailed specifications as and when. > >> count me in too! > >> - Richard > >> > >> On Sunday, 5 September 2021 at 03:24:03 UTC+1 martin martin wrote: > >> Count me in! I have one other scope clock, but it's not too accurate. > Will > >> look good next to the many Nixie and Numitron clocks.. > >> > >> > >> > >> ~ > >> [email protected] > >> > >> > >> On Sat, Sep 4, 2021 at 7:11 PM Audrey <[email protected]> wrote: > >> Wow that's amazing! Excellent work. > >> > >> On Sat, Sep 4, 2021, 10:00 PM David Forbes <[email protected]> wrote: > >> Finally! I have found a way to make Scope Clocks again. > >> I first made them in 2001, using a plastic case fabricated locally. I > >> redesigned the case several years ago using living hinges, and made a > >> couple prototypes on the laser cutter at the local hackerspace, > >> Xerocraft. This didn't seem to be a sustainable production method, as > >> their laser cutter is in high demand. So I started building my own > >> laser cutter in 2019, then I had to build a workshop to house it, then > >> the pandemic... > >> The circuit board uses a custom power supply transformer to make the 5 > >> voltages needed form a 12V wall wart. The CRT is a 3RP1-A with a real > >> socket. The computer is a Teensy 3.6, which has the horsepower and two > >> DACs to allow circle and line generation in firmware. The code will be > >> open source. I have already started to write a Pong game for it. Four > >> letter words and haikus are on the horizon. > >> The case may be cut in either acrylic or Baltic birch. I also will > >> provide the enclosure source as an OpenSCAD file. (It's an amazing > >> program!) I still need to optimize the living hinges for acrylic, as > >> they are a bit delicate. > >> Stay tuned for more information. > >> > >> -- > >> 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/CAPbqtvcNHkdeQXA%3DfzZ%3DXcdTDGOiOEX5bu1gpD52nO166UbvNQ%40mail.gmail.com > . > >> -- > >> 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/CAPDJQ6C7yj20O9Qf%3DLfqrQhTJY0C45_%3D--Pf5f-Lta3pJPZkTg%40mail.gmail.com > < > https://groups.google.com/d/msgid/neonixie-l/CAPDJQ6C7yj20O9Qf%3DLfqrQhTJY0C45_%3D--Pf5f-Lta3pJPZkTg%40mail.gmail.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]<mailto:[email protected] > >. > >> To view this discussion on the web, visit > >> > https://groups.google.com/d/msgid/neonixie-l/a83046b9-ded9-4851-aca8-543a2c1ab241n%40googlegroups.com > < > https://groups.google.com/d/msgid/neonixie-l/a83046b9-ded9-4851-aca8-543a2c1ab241n%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]. > >> To view this discussion on the web, visit > >> > https://groups.google.com/d/msgid/neonixie-l/MW2PR0102MB343524CD880E2054443E686A82D19%40MW2PR0102MB3435.prod.exchangelabs.com > . > >> > > > > -- > > 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/CAPbqtve_pXNycRc7ZWr_fdpYz8vFW0RncUBFka6pG9OCS6OKkA%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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