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]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/a83046b9-ded9-4851-aca8-543a2c1ab241n%40googlegroups.com.
