SP-252 Multi Segment Panaplex Display based Clock

[Richard Scales]

This might be considered overkill but I have completed a clock which uses the B-7971 Smart Socket design to control six SP-252 displays giving 12 digits on which time is displayed along with date, temp, pressure and 10 different scrolling text messages (each of 70 characters in length).

The clock consists of a backplane, the smart socket boards (twelve of them, two per display) and display holding boards.

The software now has a web gui which provides access to all the settings as well as the user definable text messages. Many thanks to Paul Andrews for helping with this.

An optional PIR device will wake the displays from sleeping whenever it is activated and the whole thing is held together within my regular (one trick pony!) acrylic case design.

Although it is not clear in the pictures, there are two individual smart socket PCBs per display, one on top and one underneath. After the initial test build I elected to have the smart socket PCBs pre-fabbed, they are double sided and each one has 30 x 0603 resistors and 15 x MMBTA42 transistors.

Why have just one micro in a clock when you can have 13!

 - Richard

[Peter Hall]

Absolutely brilliant.luv it.. I'm Jealous as usual👀

From🚨Peter Hall😁 insidiousnixies🦘Utube

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[Robert]

I have this clock and it’s very nice

Rob

On 6 Jul 2024, at 06:09, Peter Hall <hall...@hotmail.com> wrote:



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[Jeff Walton]

Richard is the evangelist of the neon beauty of all things panaplex!  The smart socket approach takes his clock creations to a new level.  It's too bad that there are so few panaplex displays to be found in the wild.  I have a few of Richard's creations and appreciate them more all the time. 

Jeff 

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[Benoit Tourret]

Richard, one day you will have to work with multiplexed devices !! 

It is not a shame, this has been used on a lot of devices and is even mandatory for many devices... ;-)

Imagine what could you make with those:

Regards,

Benoit.

[Nicholas Stock]

Or these!!

http://lampes-et-tubes.info/cd/cd089.php?l=e

Of which I have quite a few... :)

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[Richard Scales]

Multiplexing is on my radar - a nettle that I need to grasp - something for the coming winter perhaps - although looking outside right now at the 'British Summer' it seems that winter may already be here!

I am extremely fortunate to have hands on various samples of these multiplexed displays, I just need to make the time - to make time!

Naturally - when I do crack it - I will let you all know.

 - Richard

[leo oel]

Hi, perhaps you are selling, what is the price of such a display?
Thank you

среда, 10 июля 2024 г. в 04:53:36 UTC+3, Nicholas Stock:

[Keith Moore]

Richard, 

That is really swell!