This is an ingenious approach - I like it. I'm just embarking on a similar journey myself though I'm taking the Smart-Socket approach as I have some experience in using them on B-7971 and ZM1350 etc. Great work. - RIchard On Friday, 30 April 2021 at 13:10:19 UTC+1 Roman H. wrote:
> here are some pictures of the PCBs and schematics! I've made a driver-pcb > for each tube - and two versions: for the IN23 and the B5971 ! So i can mix > IN-23 and B5971 tubes ;-D > Each segment gets the current, that i have found in the datasheet for the > minimum segment current value minus 10-15 % - for a long lifetime! > The tubes are not multiplexed! I'm using shift register 74HC595 and the > SMD variant of the MPSA42. It's all driven by WEMOS D1 Mini (ESP8266). I'm > using the NCH6300HV power supply. > > Display with IN-23 tubes and B5971 in action: > https://youtu.be/k0mYuI8FqP0 > > John Snow schrieb am Freitag, 30. April 2021 um 02:28:40 UTC+2: > >> Is there that much of a range in brightness of the tubes, or is that a >> camera artifact of multiplexing the power? >> >> Nice to see something I wouldn't be able to find enough tubes or money to >> make in action! >> >> On Friday, 30 April 2021 at 00:59:44 UTC+1 Terry Bowman wrote: >> >>> >>> On Wed, Apr 28, 2021, 5:21 PM Roman H. <rh1...@gmail.com> wrote: >>> >>>> https://youtu.be/ZfoV3-rsbNQ >>> >>> >>> O_O >>> >>> >>> On Apr 28, 2021, at 6:46 PM, tntmod54321 <tntm...@gmail.com> wrote: >>> >>> That looks amazing, how much did that cost you? >>> >>> >>> $_$ >>> >>> >>> Terry Bowman, KA4HJH >>> "The Mac Doctor" >>> >>> https://www.astarcloseup.com/ >>> >>> “...the book said something astonishing, a very big thought. The stars, >>> it said, were suns but very far away. The Sun was a star but close >>> up.”—Carl Sagan, "The Backbone Of Night", *Cosmos*, 1980 >>> >>> >>> -- 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/ee46b04f-d22d-4d72-9946-6a5b2458f311n%40googlegroups.com.
