Spirals with 20 through 40 mil traces
2018-01-18 by alan00463@...
I have the very fine .png files showing a spiral black & white traces ranging from 1, 2,3,... up to 15 mil widths. Does anybody have image files with similar
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File - monthly.txt
2018-01-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
File - monthly.txt
2017-12-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
Re: [Homebrew_PCBs] Re: brass tube vias DONT DO IT
2017-11-03 by James
On Fri, Nov 3, 2017 at 5:01 PM, Rob roomberg@ptd.net [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: brass tube vias DONT DO IT
2017-11-03 by Rob
Hi Ancel, Can you be more specific.....which..... some of these vias? Is there a look you could point to? ...
Re: brass tube vias DONT DO IT
2017-11-03 by AncelB
I ordered some of these vias from Ali express.. Seems to be a reasonable item providing that they are soldered in directly. They also look good for creating
Re: [Homebrew_PCBs] Re: brass tube vias DONT DO IT
2017-11-02 by Rob
WOW! That was a very educational discussion pretty much settling on DON T DO IT. I was not having anything lined up now that required vias. I had just stumbled
Re: brass tube vias
2017-11-01 by Paul Alciatore
YES, it is different than solid wire. Solid wire is copper and usually plated with tin or solder so that it takes solder easily. Brass, if left standing for
Re: brass tube vias
2017-11-01 by Paul Alciatore
You may think that you have a good connection. The top manufacturing company who made the bad boards that I had to repair over and over again certainly did.
Re: [Homebrew_PCBs] brass tube vias
2017-11-01 by Harvey White
... Bare wire is available, I used #26 gauge. RULE: no vias under surface mount chips, and careful with the ones under sockets. All through hole parts
RE: [Homebrew_PCBs] brass tube vias
2017-11-01 by Tony Smith
If you don’t need the holes that’s the easiest way. If you’ve a bunch of them then you can get a long pieces of copper wire, thread it though all of
File - monthly.txt
2017-11-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
Re: [Homebrew_PCBs] brass tube vias
2017-11-01 by Karl Ireland
This is Fantastic! I had no idea. I struggle to find schematics and info. Sometimes I cant find anything. I must join this. Thanks! mosaicmerc@yahoo.com
Re: [Homebrew_PCBs] brass tube vias
2017-11-01 by mosaicmerc@...
I just used component lead wires and solder both sides. https://hackaday.io/project/7938-pcb-smt-maker-lab-home
RE: [Homebrew_PCBs] brass tube vias
2017-10-31 by Bertho
Nice round eyelets are not want if you are using double sided PCBs. See Keith post below and read mine again. Repeating my previous post: Note: For joining
RE: [Homebrew_PCBs] brass tube vias
2017-10-31 by keith printy
When I worked in an electronics plant ,they had a hollow rivet they used for this. I saw many boards come back in for service where the rivet was no longer
Re: brass tube vias
2017-10-31 by Paul Alciatore
I have seen boards made with brass tube eyelets that were not plated for easy solderability. These eyelets worked about 99% of the time or, in other words, 99
Re: [Homebrew_PCBs] brass tube vias tooth press
2017-10-31 by Rob
I like that idea. I may play with that idea. I pretty much stick to 70 mm by 100 mm etching so perhaps a C clamp or a large jaw pliers that can reach 40mm
Re: [Homebrew_PCBs] brass tube vias
2017-10-31 by Dale Chatham
The one thing one could do with the brass tubing is to make a conical tool for both sides which will flange the tubing. Done right, it would produce an
Re: [Homebrew_PCBs] brass tube vias
2017-10-31 by James
On Tue, Oct 31, 2017 at 3:44 PM, Rob roomberg@ptd.net [Homebrew_PCBs]
Re: [Homebrew_PCBs] brass tube vias
2017-10-31 by Rob
We were having some banter earlier this month about how to get ..what to use... for vias through a two sided PCB. I found this particular tubing to be the
Re: [Homebrew_PCBs] brass tube vias
2017-10-31 by James
Without rivet heads, is it really any different than solid core wire of appropriate thickness? That aside, and against my own reservations, I ve got some of
RE: [Homebrew_PCBs] brass tube vias
2017-10-31 by Tony Smith
OT but you can shorten eBay links by deleting the description and everything after the ?. You just need https://www.ebay.com/itm/ and the actual item number,
RE: [Homebrew_PCBs] brass tube vias
2017-10-30 by Paul
At the same place, there is also : #TW002 .011 internal .020 external (.3 mm - .5 mm) #TW003 .015 internal .023 external (.4 mm - .6 mm) #TW004
brass tube vias
2017-10-30 by Rob
I found brass tube that fits component leads that could be used as vias. https://www.ebay.com/itm/121507489010 Alliance Model Works 1:24/35/48/72 1:350/700
Re: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-16 by Roland Harriston
Made by Molex. RFH ****************** On 10/16/2017 3:33 PM, keith printy keethpr@ameritech.net ... Made by Molex. RFH ****************** On 10/16/2017 3:33
Re: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-16 by Rob
I use nixie tube sockets for all sorts of connections.... and never owned a nixie tube. 100pcs Nixie/VFD Tube Socket Pins(1mm) Gold Plated IN-12 IN-18 IN-2
RE: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-16 by keith printy
I ve had reliability issues with those. Maybe if you can find something gold plated , but the tin ones I have had to reseat chips periodically because they
Re: [Homebrew_PCBs] Re: Chinese-made reflow soldering ovens
2017-10-16 by Technotronic~Dimensions
Very trusting of China. Perhaps too much. If they are given lieniency to claim they are sending a toaster oven and there is a hand grenade inside ready to go
Re: [Homebrew_PCBs] Re: Chinese-made reflow soldering ovens
2017-10-16 by Gene Kahn
Can you list the mods you have done to the T962A? Thank youGene On Monday, October 16, 2017 8:10 AM, arvidj@visi.com [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: Chinese-made reflow soldering ovens
2017-10-16 by dale.chatham
Please elaborate. Sent from my T-Mobile 4G LTE Tablet ... I have a T962A. Preferred the A version as it has a much bigger usable area, but the price
Re: Chinese-made reflow soldering ovens
2017-10-16 by arvidj@...
I have a T962A. Preferred the A version as it has a much bigger usable area, but the price difference is significantly bigger now than it was when I bought
Re: Slightly OT: What are these called?
2017-10-16 by bduris@...
They were originally referred to as Molex Pins or Molex IC Sockets. As far as I know they aren t made any more. A while ago All Electronics had something
Re: [Homebrew_PCBs] Re: Slightly OT: What are these called?
2017-10-16 by Harvey Altstadter
The pins that I use come from female header strips, and sell for about 0.90 USD for 3 pieces of 40 pin strips, including shipping. Example:
Re: Slightly OT: What are these called?
2017-10-16 by dale.chatham@...
These look to me like the metal socket part that goes into the plastic ic socket you are more familiar with. I ve managed to get the metal out of one of those
Re: [Homebrew_PCBs] Re: Slightly OT: What are these called?
2017-10-16 by Harvey White
... Hmmm, kinda been there, did that, then did other things instead. I think the previous poster s comment about slotted rivets is quite correct. I had a
Re: Slightly OT: What are these called?
2017-10-16 by roylowenthal@...
They show up as either vias or hollow grommets :
Re: Slightly OT: What are these called?
2017-10-16 by mbushroe@...
I considered using these in the past but never actually bought some. I believe they are normally called pcb rivets or hollow grommets, or eyelets. Of all
Re: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-16 by William Kimber
Hi, I recall the item you are lookingá for (with strip of metal along top that was removed after soldering) but also like you cannot recall the name.á As far
RE: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-15 by Brad
Thanks Harvey, Yeah I ve heard a lot of not so good things about these sorts of contacts. The reason I went with them is because I have a vintage Mark-8
RE: [Homebrew_PCBs] Re: Slightly OT: What are these called?
2017-10-15 by Bertho
Note: For joining top to bottom layers as is normally done, you do not want perfect little tubular eyelets. You should use eyelets that are formed from a
Re: Slightly OT: What are these called?
2017-10-15 by pierreraymondrondelle@...
brass eyelets for this purpose are on sale on eBay. Here are two of my related saved searches:
Re: [Homebrew_PCBs] Slightly OT: What are these called?
2017-10-15 by Harvey Altstadter
Brad, Those are stamped and formed contacts. There are a gazillion types on the internet and ebay. With a quick look, I couldn t identify a source for the type
Slightly OT: What are these called?
2017-10-15 by Brad
Figured if anyone might know it might be you guys. I am making some double sided boards that will not be plate through - so I need these metal IC socket pins
Re: [Homebrew_PCBs] Does anyone know the process that IBM used to make this PCB
2017-10-11 by Dave Daniel
Yeah, that was a mistake on my part - I was one off in my email list. Too early in the morning. DaveD On 10/11/2017 11:18 AM, Tony Smith
RE: [Homebrew_PCBs] Does anyone know the process that IBM used to make this PCB
2017-10-11 by Tony Smith
If she needs a pop-up canopy, then Dave’s your man. I do believe that wasn’t meant for us. Tony From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] Does anyone know the process that IBM used to make this PCB
2017-10-11 by Rob
Who is Robyn ? My daughter s name is Robyn. ... Who is Robyn ? My daughter s name is Robyn. On 10/11/2017 04:17 AM, Dave Daniel kc0wjn@gmail.com
Re: [Homebrew_PCBs] Does anyone know the process that IBM used to make this PCB
2017-10-11 by Dave Daniel
Robyn, For what it s worth, I have a pop-up canopy that we can use if needed. It is 10 x 10 or 12 x 12 . I used to use it at the Lyons Outdoor Games
Re: [Homebrew_PCBs] Chinese-made reflow soldering ovens
2017-10-08 by Technotronic~Dimensions
Another repair shop I know modified a toaster oven , but it will only accommodate boards up to about 12 inches long. Apparently the T962 requires more work
Chinese-made reflow soldering ovens
2017-10-08 by Dave M
Anyone have any experience or have colleagues who have experience using the Chinese-made reflow soldering ovens such as those being sold on the evil auction