Re: [Homebrew_PCBs] heat guns
2009-08-04 by michael tenore
I would not put 60 psi air in there foe heat gun purposes !Maybe a aquaium pump for air? mike ________________________________ From: Adam Seychell
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Re: [Homebrew_PCBs] heat guns
2009-08-04 by Adam Seychell
... I ve got a plastic hot air welder and would never attempt using it for desoldering for the simple reason it will blow components way off the board. Air
Re: hacking a laminator
2009-08-04 by sailingto
I have the GBC Personal Laminator (9 size) that sells on ebay for $25 shipped - great little thing. I think this is the same laminator sold by Pulsar on
Re: [Homebrew_PCBs] Re: heat guns
2009-08-04 by Stefan Trethan
Go to and enter plastic welding in the search field. ST
Re: hacking a laminator
2009-08-04 by Mike Phillips
I just found the GBC H310 for about $54.69USD from Amazon. Some places wanted over double that. I ve been using an iron for many years now, but the GBC H310
Re: heat guns
2009-08-03 by goodsurfer2000
do you have picture ? to see how look like this heat gun .. ? thank you
Re: [Homebrew_PCBs] heat guns
2009-08-03 by michael tenore
Has anyone looked at those plastic weldeing units at Harbor freight? They look like the heat guns on the rework stations I,ve seen in the catalogs? They look
Re: [Homebrew_PCBs] heat guns
2009-08-03 by Adam Seychell
... There are two variables that control temperature. One is distance from the nozzle and the other is heater element power. Sure you can control distance with
Re: heat guns
2009-08-03 by roycepipkins
I also use an 20 USD embossing heat gun, combined with a hot plate at a (relatively) steady 100 C, with good results. Regards, Royce
Re: [Homebrew_PCBs] heat guns
2009-08-03 by leon Heller
An embossing heat gun works quite well. I got a dual-temperature one for £20 (GBP) in a local craft shop. Leon -- Leon Heller Amateur radio call-sign G1HSM
Re: [Homebrew_PCBs] heat guns
2009-08-02 by Dylan Smith
... I get consistent results from a $30 electric paint stripping gun. Plenty of air, but not too much to blow away 0603 sized parts. Works very well for
Re: [Homebrew_PCBs] heat guns
2009-08-02 by Stefan Trethan
Not really, for $50. What you definitely need if you want any sort of consistency is electronic temperature control and adjustabe air volume. Mine cost around
heat guns
2009-08-02 by David Griffith
Can someone recommend a heat gun for around $50 that would be ideal for reflowing? -- David Griffith dgriffi@cs.csubak.edu A: Because it fouls the order in
Re: eagle library part
2009-08-01 by adastra_2001
... I havent installed 5.6 yet, I was looking in 5.2 I didnt see it, I did find it in 5.1. Perhaps the install is bad as you suggest,like I said, I couldnt
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by David Griffith
... Click the UK flag in the upper right corner. -- David Griffith dgriffi@cs.csubak.edu A: Because it fouls the order in which people normally read text. Q:
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by DJ Delorie
... Dude, this is the Homebrew_PCBs group. We don t need an excuse to build it ourselves ;-)
Re: [Homebrew_PCBs] Glue for SMT Devices
2009-07-31 by Erik Knise
Most of the professional glue is heat cure and won t dry in the air. So if you don t already have an oven set up to do SMT and a wave solder machine with a
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by Piers Goodhew
Ah the trailing full stop (period) confused my email client, now I can get the german dictionary out .... PG
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by Piers Goodhew
Sounds intriguing, but i got ein Fehler 404 from that link. I have one of them ole ADB Mac keyboards that it would be great to revive... PG
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by David Griffith
... And that s just the way I like it! ... I bought one from clickykeyboards.com for that purpose. Shortly afterwards, I found two projects dealing with using
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by Stefan Trethan
But it doesn t even have any windows keys! ;-))))) Are there any active PS2 / USB converters that could be used? The ones I know are just pin/pin adapters for
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by David Griffith
On Fri, 31 Jul 2009, Stefan Trethan wrote: [snip] ... Here s what set me off on this merry errand: http://www.schatenseite.de/dulcimer.html. This uses an
Re: eagle library part
2009-07-31 by Nick de Smith
... Just checked my copy of 5.6.0 (which as of writing is the latest version) and in the linear library there are a raft of 555s, as the previous poster said,
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by Stefan Trethan
Well, a DIP-40 isn t exactly tiny either, I m sure there are some pretty small 4-port hubs ;-) I guess once the case is removed the PCB isn t large:
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by David Griffith
... No need to figure out how to shoehorn it into whatever you re making. -- David Griffith dgriffi@cs.csubak.edu k [Non-text portions of this message have
Re: [Homebrew_PCBs] USB hub module
2009-07-31 by Stefan Trethan
So how is this better than just buying a $2 hub ready made? ST
USB hub module
2009-07-31 by David Griffith
I ve been wanting to add downstream USB ports to a few projects for some time. To deal with this now and for the forseeable future, I decided to put a 4-port
Re: [Homebrew_PCBs] Soldering QFNs
2009-07-31 by DJ Delorie
... Some other ideas, depending on what you re trying to accomplish: 1. Aluminum plate distributes the heat pretty evenly. 2. Coins. Put a coin on the
Re: [Homebrew_PCBs] Soldering QFNs
2009-07-31 by Adam Seychell
... The best method I found is to lay the PCB on a electric hotplate until it reaches around 120C~150C surface temperature. Use glass cloth under the PCB to
Re: [Homebrew_PCBs] Glue for SMT Devices
2009-07-30 by Stefan Trethan
Generally speaking, SMD components only really need to be glued down for wave soldering. I recommend that you look into using solder paste and a reflow process
Glue for SMT Devices
2009-07-30 by bob_ledoux
I m looking for an adhesive for mounting SMT components, especially caps and resistors, on hobby circuit boards. In the past I ve used silicone caulking
Re: [Homebrew_PCBs] Soldering QFNs
2009-07-29 by leon Heller
... From: David Griffith To: Sent: Wednesday, July 29, 2009 5:43 AM Subject: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Soldering QFNs
2009-07-29 by DJ Delorie
If you really want to use an iron, what I did was put a big via in the middle of the pad - big enough to solder the pad from the back side through the hole.
Re: [Homebrew_PCBs] Soldering QFNs
2009-07-29 by Stefan Trethan
You should put a large thermal pad without solder stop, connected with lotsa vias. I use this package a lot, and it is fairly easy to hand-solder with hot air.
Soldering QFNs
2009-07-29 by David Griffith
Does anyone here have any pointers on making a board with a QFN packaged device and then hand soldering it? I m pondering doing something like putting a lot
Re: eagle library part
2009-07-28 by adastra_2001
... For some reason the chip I wanted was not in the most recent version of Eagle. I found it in the library of an earlier version. So thanks for letting me
Re: Soldering
2009-07-27 by KeepItSimpleStupid
It depends on the wattage of the iron. A temperature controlled iron is best. 25-40 W In order to solder, you need to heat both pieces. i.e. push the lead
Re: [Homebrew_PCBs] Soldering
2009-07-27 by DJ Delorie
Not quite the focus for this group, but it s an easy answer... Your iron should be clean and tinned, meaning it should have some solder on it already - not a
Soldering
2009-07-27 by Anita
Hi, I am a newbie here and I am also very new to circuit boards. How do you solder the lead wire to the circuit board copper path after you have tinned the
Re: [Homebrew_PCBs] Re: eagle library part
2009-07-27 by Felipe Uderman
And also it is not that dificult to make a new part, or copy and modify an existing one in case you really need it. []´s, - Uderman
Re: eagle library part
2009-07-27 by adastra_2001
... Yes it is so8 that I need. I will look again. It was late and not impossible I missed it.
Re: [Homebrew_PCBs] eagle library part
2009-07-27 by Simao Cardoso
... I open eagle and searched for *555*. Library Linear part *555, has 555 in so8 and dip8 packages. I think by smd you mean so8.
eagle library part
2009-07-27 by adastra_2001
I need help. I need a library part for a 7555 CMOS timer smd chip for Eagle. I ve looked in the part library and I do not see one. I looked in the download
Re: [Homebrew_PCBs] making surface mount boards
2009-07-26 by mlerman@ix.netcom.com
I routinely do qfn and 0603 parts using homemade stencils and a toaster oven that has been converted to a reflow oven. I make the stencils by drilling holes in
Re: [Homebrew_PCBs] making surface mount boards
2009-07-26 by DJ Delorie
... I don t think it will be sticky enough to hold all the parts in place as you move the board around. Once you ve soldered the pads, you have a hard bump
Re: [Homebrew_PCBs] smallest practical SMD for homebrew ?
2009-07-26 by leon Heller
... From: Adam Seychell To: Sent: Sunday, July 26, 2009 4:06 AM Subject: [Homebrew_PCBs] smallest
Re: [Homebrew_PCBs] making surface mount boards
2009-07-26 by Stefan Trethan
For this reason they make SMD solder paste - flux mixed with powdered solder. ST
Re: Success story - PCB making using toner transfer method (UK)
2009-07-26 by fenris67
... Nice one :) I to use the same method although I have now converted a cheap laminator to do the transfer process with. My only tip would be - Stand your jar
Re: [Homebrew_PCBs] making surface mount boards
2009-07-26 by Henry Liu
... I was thinking about this and can t I just pre solder all the SMT tabs then apply flux and the part on it then bake it or use a skillet? My main problem
Re: [Homebrew_PCBs] smallest practical SMD for homebrew ?
2009-07-26 by Stefan Trethan
I use 0805 and 1206 as standard, but then some of my boards will eventually be wave soldered ;-) On some boards I use 0603, but they have relatively large