Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-18 Thread A_Nonamus 
On Friday, March 11, 2016 at 9:05:51 AM UTC-8, gregebert wrote:
>
> Unfortunately, I rushed the final assembly on my watch-case, and one of 
> the battery charging-contacts is loose, so I cant recharge it. Oh yeah, the 
> case is glued shut so I have to cut apart the handmade plexiglass case that 
> took many hours to build & polish. Gr..
>

History repeats itself... Riehl Synchronar ring any bells? 

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Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-11 Thread Dan Harboe Burer 
..or an SMT mounted hall/magnetic sensor. I have seen some quite small ones at 
work.

Dan

From: Scott Davis 
Sent: Friday, March 11, 2016 7:15 PM
To: neonixie-l@googlegroups.com 
Subject: Re: [neonixie-l] Have few questions about the NIXIE watch...

Hello:

Another alternative to the photo sensor might be, if space permits, a reed 
relay.   That was how the LED Pulsar watches did it.  They had a little magnet 
the was stored "stuck" to a bit of the band metal.



On Fri, Mar 11, 2016 at 9:05 AM, gregebert <gregeb...@hotmail.com> wrote:

  There's no such thing as a 'cheap nixie watch'.  It's a lot of work to design 
one that has long battery-life and reliability, and you will spend many, many 
hours perfecting the design of the DC-DC converter, board layout, and 
debugging. Even after 2 years of design work & debug, I found that mine wasn't 
rugged enough (died after being carried in my backpack for 2 weeks) even though 
it functioned correctly and has excellent battery life. 

  Regarding waterproofing, I'd suggest a photosensor, rather than switches, to 
set the time/date. The intent on my watch was to use metal contacts on the 
sealed case to provide access to the battery for charging. If you go that 
route, you *MUST* put a diode and a fuse in the path to the battery; imagine 
what would happen if the charging contacts got shorted-out. Unfortunately, I 
rushed the final assembly on my watch-case, and one of the battery 
charging-contacts is loose, so I cant recharge it. Oh yeah, the case is glued 
shut so I have to cut apart the handmade plexiglass case that took many hours 
to build & polish. Gr..


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Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-11 Thread Scott Davis 
Hello:

Another alternative to the photo sensor might be, if space permits, a reed
relay.   That was how the LED Pulsar watches did it.  They had a little
magnet the was stored "stuck" to a bit of the band metal.



On Fri, Mar 11, 2016 at 9:05 AM, gregebert  wrote:

> There's no such thing as a 'cheap nixie watch'.  It's a lot of work to
> design one that has long battery-life and reliability, and you will spend
> many, many hours perfecting the design of the DC-DC converter, board
> layout, and debugging. Even after 2 years of design work & debug, I found
> that mine wasn't rugged enough (died after being carried in my backpack for
> 2 weeks) even though it functioned correctly and has excellent battery life.
>
> Regarding waterproofing, I'd suggest a photosensor, rather than switches,
> to set the time/date. The intent on my watch was to use metal contacts on
> the sealed case to provide access to the battery for charging. If you go
> that route, you *MUST* put a diode and a fuse in the path to the battery;
> imagine what would happen if the charging contacts got shorted-out.
> Unfortunately, I rushed the final assembly on my watch-case, and one of the
> battery charging-contacts is loose, so I cant recharge it. Oh yeah, the
> case is glued shut so I have to cut apart the handmade plexiglass case that
> took many hours to build & polish. Gr..
>
> --
> 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
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> To post to this group, send email to neonixie-l@googlegroups.com.
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> https://groups.google.com/d/msgid/neonixie-l/5fddb2d1-4574-4aaf-b074-a7cf719e9497%40googlegroups.com
> 
> .
> For more options, visit https://groups.google.com/d/optout.
>



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www.linkedin.com/in/scottdavis11
Skype: swooser

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Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-11 Thread David Forbes 

I found solutions to those problems myself.

You can find those solutions yourself.


On 3/11/16 12:39 AM, vfdclock wrote:

I am trying to design a cheap NIXIE watch etc.,have checked a few exist
design,and currently seems
http://www.cathodecorner.com/nwl/nwld-mod-top.jpg
looks not bad,and the circuit is easy for us to do.and I have few questions
about the component if the guys who have already had the watch like this
,hope can answer my questions.
Acoording to the pic,the socket of the tube in the pic looks like a regular
2.0mm female pin socket,would please confirm it,because we have tried, it
seems the legs can be installed tightly inside the regular 2.0mm squire pin
socket.Any suggestions?
And seems with a USB socket on the side is not a good design,that hard to
do the waterproof,if we design the outside power pins under the bottom of
the PCB and connect with the pins under the watch case ,will be good?(may
need extra special wire for cherging)
Or if have any more suggestions please sya it out.

Best reagrds.




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David Forbes, Tucson AZ

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Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-11 Thread Michail1 via neonixie-l 
Wireless charging would make it waterproof.
 
Michail  
 


In a message dated 3/11/2016 3:00:25 A.M. Pacific Standard Time,  
yend...@internode.on.net writes:

I think he described/discussed the waterproofing  a while back - search the 
posts for it.
 
John  k


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Re: [neonixie-l] Have few questions about the NIXIE watch...

2016-03-11 Thread JohnK 
I think he described/discussed the waterproofing a while back - search the 
posts for it.

John k
  - Original Message - 
  From: vfdclock 
  To: neonixie-l 
  Sent: Friday, March 11, 2016 6:09 PM
  Subject: [neonixie-l] Have few questions about the NIXIE watch...


  I am trying to design a cheap NIXIE watch etc.,have checked a few exist 
design,and currently seems 
  http://www.cathodecorner.com/nwl/nwld-mod-top.jpg
  looks not bad,and the circuit is easy for us to do.and I have few questions 
about the component if the guys who have already had the watch like this ,hope 
can answer my questions.
  Acoording to the pic,the socket of the tube in the pic looks like a regular 
2.0mm female pin socket,would please confirm it,because we have tried, it seems 
the legs can be installed tightly inside the regular 2.0mm squire pin 
socket.Any suggestions?
  And seems with a USB socket on the side is not a good design,that hard to do 
the waterproof,if we design the outside power pins under the bottom of the PCB 
and connect with the pins under the watch case ,will be good?(may need extra 
special wire for cherging)
  Or if have any more suggestions please sya it out.

  Best reagrds.

  -- 
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[neonixie-l] Have few questions about the NIXIE watch...

2016-03-10 Thread vfdclock 
I am trying to design a cheap NIXIE watch etc.,have checked a few exist 
design,and currently seems 
http://www.cathodecorner.com/nwl/nwld-mod-top.jpg
looks not bad,and the circuit is easy for us to do.and I have few questions 
about the component if the guys who have already had the watch like this 
,hope can answer my questions.
Acoording to the pic,the socket of the tube in the pic looks like a regular 
2.0mm female pin socket,would please confirm it,because we have tried, it 
seems the legs can be installed tightly inside the regular 2.0mm squire pin 
socket.Any suggestions?
And seems with a USB socket on the side is not a good design,that hard to 
do the waterproof,if we design the outside power pins under the bottom of 
the PCB and connect with the pins under the watch case ,will be good?(may 
need extra special wire for cherging)
Or if have any more suggestions please sya it out.

Best reagrds.

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