That should do the trick!
Richard
On Monday, 16 November 2020 at 08:37:56 UTC Richard Scales wrote:
> OK, well, assuming it all works, I'll sort out a price for bare boards a
> well as boards plus components. The components are all easily obtained like
> Wemos, HV5622. NCH8200HV, LM2596T-5, caps.resistors, inductor and board
> interconnects. I'll sort this all out for two and three display version.
> The code is all readily modifiable so you can do your own thing.
> The three display thing is the same as the one for two displays but just
> extended on one side so the display and driver boards will be longer, the
> controller will be the same for both.
> Richard
>
>
> On Mon, 16 Nov 2020, 06:31 Richard Scales, <[email protected]> wrote:
>
>> [image: SP353X3.JPG]
>>
>> On Monday, 16 November 2020 at 06:27:30 UTC Richard Scales wrote:
>>
>>> A little bit like this:
>>>
>>>
>>> ???
>>> - Richard
>>>
>>>
>>>
>>> On Monday, 16 November 2020 at 05:45:47 UTC M1 wrote:
>>>
>>>> EG
>>>>
>>>>
>>>>
>>>> Definitely 3 displays for me.
>>>>
>>>>
>>>>
>>>> Michail
>>>>
>>>>
>>>>
>>>> *From:* [email protected] <[email protected]> *On
>>>> Behalf Of *Richard Scales
>>>> *Sent:* Sunday, November 15, 2020 9:41 PM
>>>> *To:* neonixie-l <[email protected]>
>>>> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last!
>>>>
>>>>
>>>>
>>>> A quick update on the 2 x SP-353 display project. I have settled on a
>>>> design that will drive two (or more later) SP-353 displays as a 6 digit
>>>> clock. In order to keep things as small as possible the design stacks
>>>> three
>>>> boards. One for the displays, one for the drivers and one for the
>>>> controller and power supplies. Also, in the spirit of keeping things small
>>>> I have opted to use an NCH8200HV to generate the HV supply.
>>>> I still get surprised when I design something on screen which can fill
>>>> the entire screen space and then I print it out at 1:1 and realise that
>>>> the
>>>> thing is relatively tiny!
>>>>
>>>>
>>>>
>>>> I should get the boards back in a couple of weeks and hope to have
>>>> something to show soon after that. We are still in lockdown in the UK so I
>>>> have had a bit of time to work on this.
>>>>
>>>>
>>>>
>>>> Whilst my original idea was to make a 6 digit device to act as a clock
>>>> - does anyone - (apart from those who may have already mentioned it) see
>>>> an
>>>> application for a version that drives 3 x SP-353 (9 digits) or even 4 x
>>>> SP-353 (12 digits) ?
>>>>
>>>>
>>>>
>>>> - Richard
>>>>
>>>>
>>>>
>>>> On Thursday, 12 November 2020 at 14:35:01 UTC GastonP wrote:
>>>>
>>>> Beautiful clock and that case is gorgeous!
>>>>
>>>> On Thursday, November 12, 2020 at 11:01:32 AM UTC-3 dixter wrote:
>>>>
>>>> Very nice... would be nice if a kit was to come available... :-)
>>>>
>>>> On Wednesday, November 11, 2020 at 5:13:14 PM UTC-6 [email protected]
>>>> wrote:
>>>>
>>>> Well done! Looks great!
>>>>
>>>> On Wednesday, November 11, 2020 at 2:20:02 PM UTC-5 M1 wrote:
>>>>
>>>> No,
>>>>
>>>> I don’t want it for a clock. 😊
>>>>
>>>>
>>>>
>>>> www.VoltageGoat.com
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Michail
>>>>
>>>>
>>>>
>>>> *From:* [email protected] <[email protected]> *On
>>>> Behalf Of *martin martin
>>>> *Sent:* Wednesday, November 11, 2020 7:17 AM
>>>> *To:* neonixie-l <[email protected]>
>>>> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last!
>>>>
>>>>
>>>>
>>>> Michail, you want to display milliseconds?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ~
>>>>
>>>> *[email protected]*
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Wed, Nov 11, 2020 at 6:14 AM Michail Wilson <[email protected]>
>>>> wrote:
>>>>
>>>> I’m interested.
>>>>
>>>>
>>>>
>>>> Also, would it possibly be adaptable to a 3x display? (9 digits)
>>>>
>>>>
>>>>
>>>> Michail Wilson
>>>>
>>>> 206-920-6312 <(206)%20920-6312>
>>>>
>>>>
>>>>
>>>> *From:* [email protected] <[email protected]> *On
>>>> Behalf Of *Richard Scales
>>>> *Sent:* Wednesday, November 11, 2020 2:18 AM
>>>> *To:* neonixie-l <[email protected]>
>>>> *Subject:* Re: [neonixie-l] SP-101 Clock, finshed at last!
>>>>
>>>>
>>>>
>>>> Would anyone with SP-353's or even SP-352's be interested in a direct
>>>> drive version of this clock using HV6522 drivers and driven from a Wemos
>>>> micro?
>>>>
>>>>
>>>>
>>>> I'm hatching a cunning plan....
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> This is a display board for SP-353's, behind this would be a board with
>>>> HV5622's then behind that the controller and power supplies etc.
>>>>
>>>>
>>>>
>>>> should I carry on or give up now?
>>>>
>>>>
>>>>
>>>> - Richard
>>>>
>>>>
>>>>
>>>> On Wednesday, 11 November 2020 03:18:32 UTC, Richard Scales wrote:
>>>>
>>>> I'd be interested in that - please keep me posted.
>>>>
>>>> Richard
>>>>
>>>>
>>>>
>>>> On Tuesday, 10 November 2020 16:34:52 UTC, Bill Stanley wrote:
>>>>
>>>> It might be a bit premature but I am working on a MK5017 emulator. It
>>>> is a 2 board stack the size of the Mostek chip that (hopefully) plugs into
>>>> the socket to replace the original chip.
>>>>
>>>> The top board holds an 8051 chip (SiLabs C8051F381-GQR) and a DS3231S
>>>> clock chip. The lower board has the 15V to 3.3V power supply and the
>>>> 3.3-15V translators to look like PMOS logic. I also have a development
>>>> board with power supplies, drivers, switches and 7 segment LEDs to
>>>> simulate
>>>> the main clock for code development. There is also a connection to allow
>>>> GPS + PPS synchronization.
>>>>
>>>>
>>>>
>>>> The PCBs are in and as soon as I can work with a microscope, I will
>>>> assemble and work on the construction.
>>>>
>>>>
>>>>
>>>> I will make everything available including OrCad schematics, Allegro
>>>> layouts, bare PCB, code etc for anyone interested.
>>>>
>>>>
>>>>
>>>> -Bill-
>>>>
>>>>
>>>>
>>>> On Tuesday, November 10, 2020 at 8:20:19 AM UTC-8 Richard Scales wrote:
>>>>
>>>> Thank you, that signal is present in all its glory. I got a circuit
>>>> diagram and could see that it was rectifying AC from the transformer so
>>>> that was the first place I looked. The signal was good. Given that the
>>>> clock chip is multiplexing the displays nicely I'd be surprised if it had
>>>> failed.
>>>>
>>>> I've also checked that all the various switch contacts are good and
>>>> they do seem to be.
>>>>
>>>> I don't think that replacement clock ICs are going to be that easy to
>>>> locate!
>>>>
>>>> Richard
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, 10 Nov 2020, 16:08 Bill Stanley, <[email protected]> wrote:
>>>>
>>>> A possible cause of the failure to count is the 60Hz signal the clock
>>>> uses for a time base. Look at pin 23 of the MK5017 with a scope for a half
>>>> wave 60 (or 50) Hz signal.
>>>>
>>>>
>>>>
>>>> -Bill-
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tuesday, November 10, 2020 at 7:10:26 AM UTC-8 Richard Scales wrote:
>>>>
>>>> Thank you. I have a Heathkit clock that needs some assistance. It does
>>>> everything it should do apart from increment the time. The clock chip is
>>>> driving the displays so I'm thinking it's OK but it just won't count time.
>>>>
>>>> I wasn't thinking of offering a kit but if anyone has a set of SP-101's
>>>> then I can help out with Pcb's for this version as well as another one
>>>> that
>>>> I hope to have ready soon.
>>>>
>>>> Richard
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, 10 Nov 2020, 14:11 martin martin, <[email protected]> wrote:
>>>>
>>>> Your clock looks great! I'm currently fixing this 1970s Heathkit with
>>>> an overheating power transformer.
>>>>
>>>>
>>>>
>>>> And yes! I would be interested in a kit
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ~
>>>>
>>>> *[email protected]*
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Nov 10, 2020 at 6:04 AM Richard Scales <[email protected]>
>>>> wrote:
>>>>
>>>> I could make plans available, or all hinges on having the displays.
>>>>
>>>> The rest of just smart sockets albeit ones I made work for these 7
>>>> segment displays.
>>>>
>>>> I have another design which is a direct drive approach and is therefore
>>>> much simpler in terms of hardware whilst the software has to do a lot more
>>>> of the heavy lifting.
>>>>
>>>> I'll show that when ready. I'm just waiting on updated pcb's to arrive.
>>>>
>>>> Richard
>>>>
>>>>
>>>>
>>>> On Tue, 10 Nov 2020, 13:58 Michail Wilson, <[email protected]> wrote:
>>>>
>>>> Love it.
>>>>
>>>>
>>>>
>>>> Plans, Open source, only one or making a kit available?
>>>>
>>>>
>>>>
>>>> Michail Wilson
>>>>
>>>> 206-920-6312 <(206)%20920-6312>
>>>>
>>>>
>>>>
>>>> *From:* [email protected] <[email protected]> *On
>>>> Behalf Of *Richard Scales
>>>> *Sent:* Tuesday, November 10, 2020 1:39 AM
>>>> *To:* neonixie-l <[email protected]>
>>>> *Subject:* [neonixie-l] SP-101 Clock, finshed at last!
>>>>
>>>>
>>>>
>>>> I've finally completed this: Six SP-101 panaplex displays being driven
>>>> by 'smart sockets' which are getting their instructions from a Teensy
>>>> Micro.
>>>>
>>>>
>>>>
>>>> A Wemos provides NTP sync, sensor reading (temperature and pressure) ,
>>>> Web scraping (local wind speed and direction) and random words.
>>>>
>>>>
>>>>
>>>> It does the best it can with only 7 segments. Also includes microwave
>>>> motion detection so the thing is only displaying data when there is
>>>> someone
>>>> there to see it!
>>>>
>>>>
>>>>
>>>> I got green pcb's so the case is especially tinted to match.
>>>>
>>>>
>>>>
>>>> - Richard
>>>>
>>>>
>>>>
>>>>
>>>>
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