Good chance that the MAXxxx chip is bad. I had the same issue with one of
my NixiChrons.
On Monday, July 11, 2022 at 7:50:53 PM UTC-4 Terry S wrote:
> My Jeff Thomas Nixichron has been misbehaving.
>
> It's worked flawlessly for years. Lately (4 mo?) it's had a hard time
> keeping a GPS lock,
digit version. I don't have enough
tubes to run both without decommissioning one of two other B7971 clocks
that I have. I may just do that.
On Tuesday, May 5, 2020 at 11:24:16 AM UTC-4, Mitch wrote:
>
> Finished. No cut traces, no jumpers, and no bugs reported so far. It runs
> the same
if they improve.
On Wednesday, March 25, 2020 at 7:54:11 AM UTC-4, Mitch wrote:
>
> The vexing problem I had with this design, is that the HK16K33s I/O lines
> are supposed to float on initialization, to change the slave address. But
> the inputs to the 74HC04s are held high fo
>
> I got them on ebay. They are just 6 pin, dual row, 2.54mm spacing female
> headers. The male headers come in strips of 40, and are easily cut to size.
>
I'm finding that the brightness of the IV-17s is very inconsistent. At 30v
one batch is perfectly bright, and at 45v, which is probably
Sorry, 16 digits. I can't count this morning.
>
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Hi Bill,
They are available at www.angryelectrons.co.
Please let me know if you find any errors with the documentation.
Thanks!
Regards,
Mitch
On Mon, Feb 24, 2020 at 4:30 PM Bill Notfaded wrote:
> Hey Mitch!
>
> How can i order one? Paypal at the ready.
>
> Bill
>
>
Boards arrived today and kits are available.
On Thursday, February 20, 2020 at 1:18:33 PM UTC-5, Mitch wrote:
>
> Four were sold last week. I'm just waiting for more boards. Hopefully they
> will arrive early next week.
>
>
>
> On Wednesday, February 19, 2020 at 8:45:15 AM
Four were sold last week. I'm just waiting for more boards. Hopefully they
will arrive early next week.
On Wednesday, February 19, 2020 at 8:45:15 AM UTC-5, Richard Scales wrote:
>
> Absolutely love it - is the VFD version far away?
>
>
> On Tuesday, 18 February 2020 15:55:58 U
The factory did a production run just for the LED clocks.
On Tue, Feb 18, 2020 at 10:24 AM Nathan Diniz
wrote:
> GEEZ man! How many Alphanumeric displays do you have?
>
>
> On Sunday, January 26, 2020 at 9:49:43 AM UTC-6, Mitch wrote:
>>
>> Here's a 16 digit LED v
You will need six tubes.
On Tue, Jan 7, 2020 at 3:31 PM Dylan Distasio wrote:
> Is it possible to run it with 4 digits? Also, I would probably be
> interested in one as I am sitting on B7971s. I can't remember if I have 6
> though.
>
> On Tue, Jan 7, 2020 at 3:26 PM Mi
digit clock from Mahdi forum member, and the four digit FLWC from
> another passed well known forum member I bought. All are B-7971 clocks.
> What's the two digit add on for?
>
> Regards,
>
> Bill
>
> On Tue, Jan 7, 2020, 8:09 AM Mitch Feig wrote:
>
>> Hi Richard,
, and the two
digit add-on board, probably a month or two later.
Regards,
Mitch
On Tue, Jan 7, 2020 at 8:53 AM Richard Scales
wrote:
> Can you update us as to where the version that supports more IV-17 (like
> 12,15 or more etc) is sitting on your road map?
>
> Would there be add-on modules f
Thanks!
Regards,
Mitch
On Tue, Jan 7, 2020 at 12:19 AM Michail Wilson wrote:
> Ok thanks.
>
>
>
> Although I might still be interested in getting one, I will hold off as I
> thought they were all open source projects.
>
>
>
> Thanks,
>
>
>
> Mic
Hi Michail,
It is only available as complete kit, less tubes. It is not open source. It
will be available as soon as the boards arrive, definitely within ten days.
Regards,
Mitch
On Mon, Jan 6, 2020 at 8:37 PM Michail Wilson wrote:
> Kit form yet? Price.
>
>
>
> Open proj
I remember that! We used to print, "4377."
On Wednesday, January 1, 2020 at 3:53:39 PM UTC-5, Terry Bowman wrote:
>
>
> On Jan 1, 2020, at 8:45 AM, Robert G. Schaffrath > wrote:
>
> There were ways to send ASCII symbols to the ASR33 punch that caused
> characters to be formed by the punched
>
> Thanks, Nick!
>
Michail, I tried to price the kit competitively with other kits that have
similar parts counts and capabilities.
The WordClock-2 displays arrived with almost $500 in tariffs and duties. I
don't have the details yet from DHL, I just wanted the packages to be
released
On Wednesday, 4 December 2019 03:53:14 UTC, martin martin wrote:
>>
>> those curvy tubes look great!
>> Where can they be had?
>>
>> On Tuesday, November 26, 2019 at 4:19:55 AM UTC-8, Mitch wrote:
>>>
>>>
>>>
>>> I was a little surpri
, November 28, 2019 at 12:20:13 AM UTC-5, Richard Scales wrote:
>
> Also, check the Thyratron clock by Paul Andrews, he found some LED's that
> matched the Thyratrons nicely, these (or similar) might work for you.
>
> On Tuesday, 26 November 2019 12:19:55 UTC, Mitch wrote
Thanks, Richard.
On Thursday, November 28, 2019 at 12:20:13 AM UTC-5, Richard Scales wrote:
>
> Also, check the Thyratron clock by Paul Andrews, he found some LED's that
> matched the Thyratrons nicely, these (or similar) might work for you.
>
> On Tuesday, 26 November 2019 12:1
I'll try that next.
On Wednesday, November 27, 2019 at 8:13:47 AM UTC-5, DaveE wrote:
>
> Sorry Mitch, I should have been more clear - the IV-15 tubes are the colon
> tubes used my DG12B tube clock. They are simple indicators that do not
> display any numbers or text. They work
The clock is designed for alphanumeric displays. I checked the datasheet
for the IV-4. The pinout is the same, but the datasheet is in Russian so I
don't know if there are differences. Worst case, the voltages can be
adjusted by changing four resistors.
This wasn't intended to be sold, but I'm
And again at 42 minutes.
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A nixie clock close up is shown on the season four, episode ten, at around 35
minutes. Looks like IN-12s.
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Also, there will be a IV-17 version.
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Not yet. It will be available when the displays are delivered sometime in
December. Documentation will be the same as WordClock-1, at
www.angryelectrons.co/WordClock-1.
WordClock-1 is sold out. More will be available around December 1st, after
that, no more. Several LED color options will be
The .8" version is available at www.angryelectrons.co. One kit is left, but
more will be put together shortly.
The 2.3" version is not yet available. The displays are made to order with
longer leads to leave more room for the RGB backlighting, so it takes a few
weeks. Available colors are pure
Nice! Full color will make a very interesting display.
See unexpectedmaker.com for 7 and 14 segment RGB displays. He also has a
nice, 4 digit RGB clock for sale.
Higher current displays can be driven indirectly using the HT16K33. Just
use a ULN2803 (and a 74HC04 on the input to invert) on
Very nice!
Switching to the ESP32 was frustrating, but well worth the trouble. I just
use the ESP32 DevKit C and Pico. Can't beat it for $10, and it has built in
USB. I designed my own clone of the DevKit C to play around with reflow,
but the parts cost was around $14 so not a good value
I will try to design an IV-17 version early next year. I'm not how
compatible the multiplex capability of the HT16K33 will be with VFD
displays, guess I'll have to try it to see.
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A few kits are available now. Lots more will be put together when the kit
is sold on Tindie, in late November.
http://angryelectrons.co/wordclock-1
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Thanks, John. I was at a dead end with this circuit. I tried several values
of resistors in series with the gate. That didn't work, but disconnecting
the 2N7000 and grounding the gate on the NDP6020, did turn on the LED.
I will try the TSC426. The only reason for the 74HC04 was to invert the
Thank you. I will try that tomorrow.
On Tuesday, August 13, 2019 at 9:14:16 AM UTC-4, Mitch wrote:
>
> I'm having trouble getting this to work. Everything appears to be good up
> to the gate of the NDP6020P, then it is not switching.That scope image is
> QuickPrint2.png. The
Sorry. Wrong video.
https://drive.google.com/open?id=1vEk3Gs5hPDzQu8PpPNUDxuHYG8yFYmSf
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Being retired has its advantages. I've been working on the software for the
last few days with minor interruptions, and it's coming along nicely.
Font and expletive files are loaded from the SD card and stored in memory.
The word file is accessed one word at a time, directly from the SD card.
Orange, 2.3" 16 segment alphanumeric displays are available here. Thanks,
Nick.
https://www.alibaba.com/product-detail/large-2-3-alphanumeric-led-16_60316006912.html
On Friday, July 26, 2019 at 12:11:33 PM UTC-4, Nixcited delighted wrote:
>
> Replacement ‘Union Flag’ alphanumeric LED displays
They draw more current so will require extra driver circuitry. We'll see.
Thanks, Bill.
Mitch
On Thu, Jul 25, 2019 at 9:32 PM Bill Notfaded wrote:
>
> https://www.mouser.com/Optoelectronics/Displays/LED-Displays-Accessories/_/N-6j734?P=1z0j231
>
> There's some nice 14 segment
in
my two MOD-6s.
Regards,
Mitch
On Thu, Jul 25, 2019 at 9:14 PM Terry Kennedy
wrote:
> On Thursday, July 25, 2019 at 7:49:04 PM UTC-4, Mitch wrote:
>>
>> One company that I known of makes 2.3" displays. I'm not sure that they
>> will be compatible, but I will check a
check at some point. The . 8" displays I'm
using now are readable at 20 feet.
Regards,
Mitch
On Thu, Jul 25, 2019, 7:21 PM Bill Notfaded wrote:
> That's sweet Mitch! I like it. I love my badnixie alphanumeric clocks
> (my favorite) but other alpha numeric's are awesome and open up
Haha! Absolutely true, but only a software developer would know that! This
way most people get the idea.
Mitch
On Tuesday, July 23, 2019 at 5:19:56 PM UTC-4, Jens Boos wrote:
>
> Nice work! I hate to be "that guy" but it is not a binary clock, it is a
> BCD clock ;-
This one is my favorite. The story behind the Bombe clock is incredible.
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Thanks for your reply, Greg.
The CD4504 is used on all signal lines to the HV5530s.
Initially only the first HV5530 operated correctly.
I did not even think to run clock and data lines in opposite directions. I
did experiment using microsecond delays to slow the data transfers on all
GPIOs
Continuing the discussion on this old thread...
My 24 digit binary clock design had two, HV5530s separated by 12". The
first in the data series worked perfectly, but the second would not because
of too much noise on the data line. I had two unused level converters on
the CD4504 so I separated
, but no step by step instructions.
Mitch
https://drive.google.com/file/d/1gqdbpl-0Y7T-AqMOrVnX94LucjA_LTFi/view?usp=sharing
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I bought this kit, but I have not yet assembled it. The advantage to it is
that it's built in layers that plug together, so replacing a bad LED won't
be a nightmare.
https://www.tindie.com/products/Nick64/jollicube---8x8x8-led-cube-spi-diy-kit/
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The Metronome is a clock in Union Square, NYC. Here's the explanation:
https://en.wikipedia.org/wiki/Metronome_(public_artwork)
It is a faithful reproduction of the display, just adding date,
temperature, and scrolling.
Mitch
On Monday, July 2, 2018 at 9:34:08 PM UTC-4, gregebert wrote
I started with OSH Park for the first tow or three orders and never had a
complaint. Larger boards can be seriously expensive and they take longer than
the Chinese manufacturers, when shipping from China is by DHL. So far I’ve
placed about thirty orders with pcbway.com without an issue, and
Terry, I think I'll leave it the way it is, and I may build another one
with six digits, as in the magazine. The only major part missing from the
spare parts box that came with the clock, is the transformer.
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Terry, I never even thought that the last tube was running at 60Hz! The
tenth seconds digit does appear to cycle through all ten digits within one
second, though.
All five circuit board that hold the tubes, appear to be identical.
>
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I don't remember how I got it. This is the same clock.
http://shadowtron.com/2017/03/11/a-hand-built-nixie-tube-clock-based-on-the-digivista-design/
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The clock uses an MM5314 in a multiplex configuration. That was ok when the
tubes cost $2.50 each. I’d probably keep the clock in one piece, but long term
it’s probably a good idea to replace the electronics with a direct drive
circuit if running it full time.
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Just letting everyone know that I'll have another ten NixiChron AVR
upgrades available shortly. I have around fifteen boards left and five are
spoken for. After this, I doubt that I'll make more. Around 33 have been
sold so far. They should be ready sometime later this month or early next
Never. I’ve used it about twenty times and it’s always worked perfectly each
time.
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Nick, it is very easy to use. Once the profile is set for the paste you are
using, just press start. I use a standard profile that I have never touched.
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I built a ControlLeo reflow oven from a kit, and I just ordered their new
upgrade with a new touch screen controller. I tell my wife that it’s insulting
to call it a toaster oven, but she persists. It works great. I just finished a
few ESP32 DevKitC compatible micro controllers with 100%
I bought a book on Eagle to learn, but I switched to DipTrace when I
realized how much Eagle would cost to make boards that would hold 8, Z568
tubes. Initial cost and upgrades are very reasonable.
On Sunday, August 13, 2017 at 9:21:24 AM UTC-4, Nick wrote:
>
> As all Eagle users will know,
Thanks, Nick. That one is close, but the one I'm looking for had a two
digit display, and it was built on two breadboards.
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>
> Thanks, John. The clock definitely used 7400 series logic. I remember
> soldering in the chips without sockets because I couldn't afford them at
> the time.
>
I'll keep looking.
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Hi All,
Back when I was in HS in the 1970s, I built a clock based on an article
that despite searching everywhere, I can't find. I think I asked this
question several years ago, but I'll ask again.
The clock used two 5v Minitron (or equivalent) displays, TTL logic, and it
was built on two
Greg, is I/O fast enough to support cross fades? For a really smooth fade,
I think updates must be 10ms or less.
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Thanks, Paul. I didn't put a header for programming the ESP on my clock, so
I have to remove it to program. The next version will add one.
On Monday, January 23, 2017 at 7:57:38 PM UTC-5, Paul Andrews wrote:
>
> Hand drawn. Hopefully you can read it. It is pretty straight forward:
>
>
>
Paul, can you post a schematic?
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On Thursday, October 6, 2016 at 9:56:44 PM UTC-4, Nick wrote:
>
> Yeah. But it won't work on Lord Howe Island. Showstopper, that !
>
> Nick
>
Oh, but yes it will! I use the Timzone library
(https://github.com/JChristensen/Timezone) which is parameter driven. DST
and STD options can be set in
Wayne, the upgrade is a daughter board that replaces the processor. See a
previous post I made for details. I doubt that it will be compatible with
anything else.
On Tuesday, October 4, 2016 at 2:10:28 PM UTC-4, Mitch wrote:
>
> Hi All,
>
> Only a few Nixichron upgrades are left.
and boards. The MOQ on the cases will be 50-100 pieces.
Again this will not be an ongoing business, just a one time thing for fun.
Mitch
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On Friday, June 10, 2016 at 4:28:16 PM UTC-4, Mitch wrote:
>
> Hi All,
>
>
> Today I finished my Nixiechron upgrade project.
>
>
> Just over a year ago, I sent a Nixiechron board to someone who considered
> modifying his software to run on the Nixiechron. Unf
Thanks, Mike. Here's a link:
https://drive.google.com/file/d/0B3kvk05blsPJQ3pBY0FMRjRDYzQ/view?usp=sharing
The black box on the right houses the sensors and buttons. Ublox GPS is in
front.
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I think I answered my own question. Max771 datasheet, pin 4:
"Active-high TTL/CMOS logic-level shutdown input. In shutdown mode, VOUT is
a diode drop below V+ (due to the DC path from V+ to the output) and the
supply current drops to 5µA maximum. Connect to ground for normal
operation. 1.5V
Can someone scope the hvenable line? I'd like to know the frequency it is set
to, or is it just high or low?
Again, replace the Max232. That fixed the exact problem with my nixiechron. I
also changed the surrounding electrolytics, but I'm not sure if that made a
difference.
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My clock had the same issues, as I mentioned. It would go through the
startup function, then it would start beeping and displaying invalid data.
Put a scope on the output of the RS232 -> TTL level converter when the
clock exhibits the issue, pins 11 and 12 of the MAX232CPE chip. Also, check
I had a similar problem a couple months ago. The solution was to replace the
RS-232 level shifter chip. I don't remember the part number, but it was a MAX
chip. Good luck. Hopefully it is something simple and not the processor.
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Greg, I used this:
https://github.com/JChristensen/Timezone
No tables necessary, it does the calculations. If I had to figure this out
myself, I'd be in a rubber room now.
On Thursday, April 14, 2016 at 7:02:43 PM UTC-4, gregebert wrote:
>
> I *thought* about adding GPS to my most-recent
Looks great! Will you release the KiCad or Gerber files?
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To post to this
thing out of the
> ordinary...takes a few scrubs with IPA and the boards look clean afterwards.
>
> On Tue, Mar 8, 2016 at 8:05 AM, David Forbes <dfo...@dakotacom.net
> > wrote:
>
>> Mitch,
>>
>> PC board assembly factories don't use rosin flux these days, b
I can't seem to get my boards as clean as they could be. I spray with a pc
board cleaner, then wipe and let it dry, and deal with the residue. I never
thought about washing with water. I'll give it a try. Thanks.
On Monday, March 7, 2016 at 11:51:49 AM UTC-5, Jonathan F. wrote:
>
> I cleaned
Very nice! Is the processor a 1284P? Did you use Atmel Studio, Arduino IDE, or
something else?
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clock Mitch. Will you be offering a kit or the PCB for sale? I'd
> like to get one but lack the chops for all this geek talk you guys are
> discussing.
>
>
>
> On Wednesday, February 24, 2016 at 6:19:12 PM UTC-5, Mitch wrote:
>>
>> Thanks!
>>
>&
Thanks!
I was not aware of that. I'm using a variety of supercaps bought from
Digikey and on ebay. I didn't pay much attention to that part of the
circuit or the values of the supercaps, but I was surprised to find that
one clock had the correct time when not powered for about two weeks.
Thanks.
Yes, two extra, maybe three. You can have one for the cost of shipping.
Please contact me off the group if you are interested.
I'll post the code, schematic, and Diptrace files to Github, shortly. Only
the seven digit design is there now.
Zev-2 seven digit nixie clock
Link is a 9 second movie of the clock operating.
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David, would you consider adding a socket for the nrf24L01+? Even if you
don't implement any functionality with your initial software release, lots
of options such as remote control and who knows what else, become
available. And all it takes is 3.3v and connections to the SPI bus.
On Friday,
Hi Yan,
Great pictures! Is the eight digit project a prototype? I don't see colons.
Is that Shenzhen?
Mitch
On Thursday, December 31, 2015 at 6:33:54 AM UTC-5, 严泽远 wrote:
>
> Hello everyone, please check the download link here:
> http://www.nixieclock.org/?page_id=1289
> If you ha
Very nice! Woodwork looks great.
On Wednesday, December 23, 2015 at 2:57:43 AM UTC-5, gregebert wrote:
>
> Here's a not-so-good photo of my current clock project. There are sockets
> for eighteen IN-18 tubes, of which 14 are used. The first 8 are for the
> date in MM-DD- format, and the
There just may be good news coming, in a couple months. We will have to wait
and see.
If it used an Atmel processor I could convert my sketch without much trouble,
but I don't know anything about PIC processors.
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Thanks again. So with two level shifters available and two open pins on the
1284P, which two of three lines, CLK, DATA, and LE, would be best to
separate? From your description, are you saying that CLK and DATA are the
two best separated?
On Sunday, October 18, 2015 at 12:30:45 PM UTC-4,
Thank you. I'll do it that way.
On Saturday, October 17, 2015 at 9:26:23 AM UTC-4, Mitch wrote:
>
> Hi All,
>
> The seven digit, IN-18 board is on order so I'm on to the next project, a
> fifteen digit Union Square Metronome type clock similar to Jarek's clock
> here:
> ht
David - Four are connected serially, updating 120 bits of 128 available.
That group is updated every second. The fifth chip stands alone and only 30
of 32 bits needs to be updated every 10ms.
Greg - This is a much simpler application. From what I understand, which is
not too much, it appears
Hi All,
The seven digit, IN-18 board is on order so I'm on to the next project, a
fifteen digit Union Square Metronome type clock similar to Jarek's clock
here:
http://hackaday.com/tag/metronome/
Four HV5530s will be connected in series and updated every second, driving
twelve Nixies. That
I'm about half-way there. No problems at all. Installing the cathode
resistors is just a little tedious, but I'm almost finished. I have the new
repeater working with the second version clock now.
I don't think it's recommended, but I used headers under the power supply
to make it removable on
Greg, I don't plan on keeping it that way, except maybe the smaller Z570M
series for seconds. I'll see how it looks.
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One rescue, one foster. Zev and Sabina.
On Sunday, September 13, 2015 at 9:58:07 PM UTC-4, MichaelB wrote:
>
> Somebody has a Greyhound...
>
> On Sunday, September 13, 2015 at 10:10:41 AM UTC-7, Mitch wrote:
>>
>> This is the final version, although I'm still finding so
as it runs in its own loop.And that is on the list of changes
to be made.
Mitch
On Thursday, September 3, 2015 at 5:28:14 AM UTC-4, Ian Sparkes wrote:
>
> Hi Carl, Mitch,
>
> A couple of thoughts in decreasing order of ease of implementation:
>
> 1) Software only: As a fir
That is really great!
On Tuesday, September 1, 2015 at 9:55:38 PM UTC-4, J Forbes wrote:
>
> I made this clock around 2002, and made the video around 2008.
>
> https://www.youtube.com/watch?v=VM9TW6GcCQE
>
> http://selectric.org/tubeclock/index.html
>
> I probably need to update the web page!
Thanks for the advice. I checked the Mod 6 and looking closely, there is no
flicker whatsoever. Hopefully I can get to 4ms updates or close, by writing
directly to the port, bypassing digitalWrite(), and optimizing the code.
Assembly language is not an option. Last time I did that was in
Greg, I'd like to understand this so I can do the same for the IN-18 design
and the next, fifteen digit clock that will use five, HV5530s. Please let
me know if this is correct:
Latch, blanking, and data, are connected in parallel, on each of your
boards. Each clock line is connected to a
The 1284P runs at 5v, and I use a CD4504 level shifter. Someone here
suggested that, and even though none of the commercial clocks I'm familiar
with use one they are cheap and easy to include. That will also make it
easy to go to a 3.3v chip in the future, with only some adjusted resistor
. I was hoping for no jumpers this time around, but that
is an option.
Mitch
On Saturday, August 22, 2015 at 4:09:06 PM UTC-4, Ian Sparkes
Hey Mitch
I did a smooth fading on a AVR, and the code is up there on GitHub already:
https://github.com/isparkes/ArdunixNix6
I do it a different way
arrive.
On Wednesday, August 19, 2015 at 8:15:03 AM UTC-4, Dave wrote:
Mitch,
This is very nice work indeed !
Thanks for sharing.
When you post to github, will it be the code and the diptrace files?
I deeply appreciate your willingness to share your work.
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I tried doing something similar, and that's how I came up with the
vibration effect, which is really just a failed attempt at cross fading.
I'm not sure whether the limitation is with the hardware or software,
probably both. Writing to registers rather than using digitalWrite() may
speed it up
I forgot to mention that as hard as I've tried, I have not been able to
figure out smooth, digit cross fading. For now the clock uses a 'vibration'
effect that you can see in the video, or a no effects digit change.
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David, I will put everything on Github when the new boards arrive. The
schematic and board were done with Diptrace.
Greg, the 1/10th second digit won't fade or use effects because it changes
so quickly. The 'vibrate' effect works only on the other six digits.
A level shifter is used, and all
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