Wow. As others have said, that is great work, and yes, would be very interested in trying to do this myself (to replace my frankensteined scope clock). I love the idea of using SVG to encode the shapes, leaves open a lot of scope (no pun intended!) for future mods.
On Monday, February 26, 2024 at 4:19:41 AM UTC-5 ken Henriksen wrote: > Hi Poul. > > > > That is a great job nice work, I have been working for this some time but > not to extend you got. Would it be possible to see the schematics ect? > > > > /Ken > > > > *From: *"neoni...@googlegroups.com" <neoni...@googlegroups.com> on behalf > of paulvr <6006...@gmail.com> > *Reply to: *"neoni...@googlegroups.com" <neoni...@googlegroups.com> > *Date: *Monday, 26 February 2024 at 10.12 > *To: *neonixie-l <neoni...@googlegroups.com> > *Subject: *[neonixie-l] Scope clock STM32 > > > > This is my first post in this forum and I would like to introduce you to > my version of the scope clock. Mainly inspired by the work of David Forbes > and Grahame Marsh. > The work is not finished yet, but I have reached a milestone for myself in > that all components are on one PCB and only one voltage source is required, > nm. 12 volts DC. > The high voltage is made using a standard Würth WE-flex transformer, plus > and minus 250 Volt. The filament voltage is provided by a buck and forward > converter and a standard Würth push-pull transformer (6.3 Volt to 600mA). > The MCU is an STM32G491, mainly chosen because of the integrated 12-bit > DACs. The image composition is completely DMA controlled and works > independently of the CPU, which therefore has a lot of time for other tasks. > The characters and graphic shapes are encoded as SVG path. > An ESP32 has been added to achieve the correct time according to the NTP. > Operation is entirely via a web server running on the ESP32. The software > is not finished, and not all functions work (work in progress). > The next step is to try out other CRT tubes and make a housing. > > > > Regards, > > Paul > > -- > 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 neonixie-l+...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/4e60fa43-a9b5-40b5-8381-5a968b45d480n%40googlegroups.com > > <https://groups.google.com/d/msgid/neonixie-l/4e60fa43-a9b5-40b5-8381-5a968b45d480n%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 neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/d6e4bda9-1320-4026-9a44-638bbcb3e04cn%40googlegroups.com.
