There seems to be a problem with the pictures... Richard Scales schrieb am Freitag, 6. Februar 2026 um 10:17:39 UTC+1:
> I discovered the Smart Socket design for B7971 tubes almost 10 years ago > and I built a couple of devices using them. > At the time I made up a bunch of spare boards for future projects but > never really did anything with them. > Since then I have developed a number of methods to ease the process of > linking the smart sockets together, each one an improvement (IMHO) on the > previous one. > Winding the clock forward to today - I now have a modular system that > links the original sockets (if it ain't broke, don't fix it!) together in > pairs, making it relatively easy to create a device with any even number of > tubes. > The first board is the 'controller' which has space to mount two smart > sockets and it provides the following features: > > - *Dual led tube underlighting (for those that like it)* > - *5V and HV power supplies (NCH6300HV from Omnixie)* > - *Wemos micro controller* > - *12V power socket* > - *PIR socket * > - *eeProm for word storage* > > The second (and subsequent) board(s) include the tube underlighting and > space for an additional HV module if needed. > > I currently have this configured as a FLW clock though plan to extend it > to 8 or more tubes as time (and tubes) permit. > > > In the pictures, the top layer is made up of the regular B7971 Smart > Sockets whilst the bottom layer shows the 'controller' board on the left > and the 'extension' board on the right - these two boards link together > using either wired connections or 90 degree pin/sockets as desired. > All electronics on these two boards in 'underneath' with the exception of > the APA-106 LEDs. > I appreciate that there are many other ways to drive these tubes but I > have done a lot with 'smart sockets' over the years and I already had 20 > made up which is how I arrived at this solution. > > - 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, visit https://groups.google.com/d/msgid/neonixie-l/ace4a785-9017-4768-9a5f-b23b83102971n%40googlegroups.com.
