Thank you for the confirmation of the 32 bit SPI, Paul had mentioned this
to me previously but I had not pursued it as what I had was working -
similarly for the handling of the LE line - I noticed no immediately
visible difference when moving the dropping of LE to after the SPI Write
commands
There's some US sellers on the 'bay
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I had been waiting three and a half months for 6 PC's of IN14's to arrive
from Russia for my first nixie tube clock. They finally showed up today and
one of them is broken.
The seller packed them poorly... one layer of thin foam paper wrapped
around each tube, all 6 tubes side by side sandwiched
or wait until tomorrow and i will put it on tge dropbox
On Thu, 23 Jul 2020 at 22:56, Nicholas Stock wrote:
> Let's try that againmovie was too large..
>
> https://www.instagram.com/p/CCPMzuOjdBs/
>
> On Thu, Jul 23, 2020 at 2:52 PM Nicholas Stock
> wrote:
>
>> Speaking of glutton for
Let's try that againmovie was too large..
https://www.instagram.com/p/CCPMzuOjdBs/
On Thu, Jul 23, 2020 at 2:52 PM Nicholas Stock wrote:
> Speaking of glutton for punishment
>
> A follow on to Grahame's original Trigger tube clockaptly called
> 'Neon'...that we're both working
Allegedly there's some neon bulbs that actually act as thyratrons that can be
used to make large scrolling displays...haven't seen any of those IRL though
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Very pretty, but what a glutton for punishment!
On Thursday, July 23, 2020 2:13:13 PM CDT martin martin wrote:
> Thought the group would like this article
>
> https://hackaday.io/project/173636-neon-pixels
>
>
>
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I certainly didn't expect to see a DCDC converter for each pixel. I have to
admire the persistence to build 384 of those to make a display.
On Thursday, July 23, 2020 at 12:13:13 PM UTC-7 martin martin wrote:
> Thought the group would like this article
>
>
Thought the group would like this article
https://hackaday.io/project/173636-neon-pixels
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to
Presumably you could also use the microcontroller to do so if it has a
spare pin, by using a resistor in series with the filament power supply,
which is then shorted out by a FET after a predetermined time.
Valve amplifiers used to do similar but with a time delay relay.
David
On Thu, 23 Jul
The chip I'm using is TPS54328, which has an adjustable soft start. I'm
still building my supply though, so I haven't actually tested it in action
yet to see if the soft start actually limits the inrush in any way.
On Thursday, 16 July 2020 13:56:47 UTC-4, Paul Andrews wrote:
>
> What power
Richard, I'm using the 32-bit SPI-write for my most recent ESP32 based
clock. I'm saving the data for all six tubes and the colons in a single
64-bit variable (uint64_t), so sending out the data can be done with just
four lines of code:
digitalWrite(SS, LOW);
SPI.write32(nixData);
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