Re: Making a homebrew board using QFN packages
2006-01-30 by idaho_huckleberry
... toaster ... $16 ... You may be interested in an article that appeared in the Circuit Cellar magazine, July, 2004, Issue 168. The author described the
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Dremel's new drill press
2006-01-29 by Evan Dudzik
Last year, I bought dremel s new model 220 workstation (drill press with a few added features)... the previous drill press attachment was discontinued for
DIY Spray etching tank
2006-01-29 by jcarlosmor
Hi to everyone. Do somebody has experience using/building a spray etching tank (the kind similar to Kepro, or even more proffesional units)? I am looking for
Re: Question: using surface mount resistors/caps ?
2006-01-29 by bob_ledoux
... I ve had no luck with tweezers. My choice is to place smt s using a tooth pick with a pin head size ball of Blu Tack or Office Depot All Stick, part
Re: [Homebrew_PCBs] PCB etchant non ferric chloride.... is this okay?
2006-01-29 by Stefan Trethan
Most of the stuff will work just fine with tap water, but you can buy deionised water cheaply in car stuff stores and DIY stores. 5 liter cost only a little
PCB etchant non ferric chloride.... is this okay?
2006-01-29 by Gary
HI, I have found this on the CPC website, and I think it is what I required to develop the PCB.(you need to click on catalogue page icon for details) does this
Re: Question: using surface mount resistors/caps ?
2006-01-29 by stewart_bakeruk
The method I use is to tin the pad, and then use Solder Wick to remove all the solder, leaving a nicely tinned pad. I then place the component in position with
Re: [Homebrew_PCBs] Question: using surface mount resistors/caps ?
2006-01-29 by Stefan Trethan
You already know most of it through reasoning. The glue thing is done industrially sometimes esp. for bottom side wave soldering. I don t think it is practical
Re: [Homebrew_PCBs] Question: using surface mount resistors/caps ?
2006-01-29 by Mike Young
... From: Dale Mosby ... Solder paste. Run a bead along the pads, and stuff the chip in place. The paste holds the part until reflowed.
Re: [Homebrew_PCBs] Question: using surface mount resistors/caps ?
2006-01-29 by Leon Heller
... From: Dale Mosby To: Sent: Sunday, January 29, 2006 4:50 AM Subject: [Homebrew_PCBs] Question: using
Re: [Homebrew_PCBs] Question: using surface mount resistors/caps ?
2006-01-29 by Alan King
... The tip on Sparkfun is pretty useful. Use tape, pick the component up with one side sticking out and tape it down. Solder that side then take off the
Question: using surface mount resistors/caps ?
2006-01-29 by Dale Mosby
I have made some printed circuit boards using common components requiring drilling. I would like to start using some simple surface mount resistors,
Re: [Homebrew_PCBs] Re: Short URL's
2006-01-27 by Stefan Trethan
... the doesn t always work, but most of the time. If you use tinyurl simply also write the long url, if tinyurl fails one can still find it. Also, many
Re: [Homebrew_PCBs] Re: SMD popular component sizes
2006-01-27 by Dave Hylands
Thanks (to both Derek & Leon) - makes alot of sense. ... -- Dave Hylands Vancouver, BC, Canada http://www.DaveHylands.com/
Re: SMD popular component sizes
2006-01-27 by derekhawkins
... Using 0402 as an example. Here is a picture of a 0402 cap; http://rocky.digikey.com/WebLib/Panasonic/Web%20Photos/ECD-GOE% 20Series.jpg Here is a data
Re: [Homebrew_PCBs] Re: SMD popular component sizes
2006-01-27 by Leon Heller
... From: Dave Hylands To: Sent: Friday, January 27, 2006 5:18 PM Subject: Re: [Homebrew_PCBs] Re: SMD
Re: Short URL's
2006-01-27 by Richard
Dave K, thanks for that tip... I agree that the URL s should be full and real; and that tip solves the only real issue with them. --
Re: [Homebrew_PCBs] Re: SMD popular component sizes
2006-01-27 by Dave Hylands
Hi Derek, ... What would the changes be in the modify them accordingly step? -- Dave Hylands Vancouver, BC, Canada http://www.DaveHylands.com/
Re: SMD popular component sizes
2006-01-27 by derekhawkins
... Thought I would need a microscope for placement and soldering of 0402s but my 5X magnification visor works just fine after a bit of practice. Provided
Re: [Homebrew_PCBs] SMD popular component sizes
2006-01-27 by Leon Heller
... From: derekhawkins To: Sent: Friday, January 27, 2006 3:56 PM Subject: [Homebrew_PCBs] SMD popular
SMD popular component sizes
2006-01-27 by derekhawkins
... 0805 - 2 X 1.25 mm 0603 - 1.6 X .8 mm 0402 - 1 X .5 mm 0201 - .6 X .3 mm Currently I buy and hand solder down to 0402s (small quantities). Down to 0603 is
Re: Making a homebrew board using QFN packages
2006-01-27 by bob_ledoux
They are for a hot air balloon temperature reporting system. I use a Dallas DS18S20 digital sensor to a PIC and then to the MIRF. The temperature is
Re: [Homebrew_PCBs] Re: Elektor reflow oven
2006-01-27 by cristian
The Evaluation Board used in this deign (Lacoste) is no more available. About the Elektor design: the thermocouple IC is very hard to find. Cristian
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-27 by Dave Hylands
Hi Jim, ... 0603 s are 0.060 x 0.030 (1.5mm x 0.75mm) These aren t too bad to deal with. 0402 s are 0.040 x 0.020 (1mm x 0.5mm) These are strating to get
Re: [Homebrew_PCBs] Short URL's (was: Motorized Stage and Stuff)
2006-01-26 by Codesuidae
... When you use full-length links, enclose them in and usually they will not be broken up, so they stay clickable:
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-26 by Leon Heller
... From: Jim Miller To: Sent: Thursday, January 26, 2006 7:48 PM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-26 by Jim Miller
They re not made for humans at all anymore. They re made for pick and place robots. I just bought a little memory stick at Walmart and it has a clear plastic
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-26 by Stefan Trethan
... Well, i m all for SMD, but i can see that it will be very expensive to make prototypes very soon. Now you can still sort of find ways to make boards and
Re: [Homebrew_PCBs] Short URL's (was: Motorized Stage and Stuff)
2006-01-26 by Rick Hughes
... Although less convenient at times, I believe using the actual link address is better than resorting to a service such as tinyurl. If tinyurl ceases to
Short URL's (was: Motorized Stage and Stuff)
2006-01-26 by soffee83
Scratch, Sorry for the temporary subject change.:) There s a couple sites, if you get those extra long links, you can go there and paste them into a box and
Re: 8 mil tracks with JetStar film
2006-01-26 by derekhawkins
... Inserting/extracting the board into/from the double sided sandwich is where 90% of wear and tear occurs IMO. Epson dye ink on Epson transparencies
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-26 by Leon Heller
... From: alan00463 To: Sent: Thursday, January 26, 2006 2:28 PM Subject: [Homebrew_PCBs] Re: Making a
Re: Making a homebrew board using QFN packages
2006-01-26 by alan00463
... I take it you re referring to the nRF2401A transceiver pair pictured here: http://www.sparkfun.com/shop/index.php?shop=1&itemid=396 ? 1Mbps is indeed an
Re: Making a homebrew board using QFN packages
2006-01-26 by bob_ledoux
I just bought the Sparkfun MIRF units. They are nice. I ve been experimenting with cheap RF units and the antenna requirements can make or break the whole
Re: Elektor reflow oven
2006-01-26 by cunningfellow
... ... There was a Circuit Cellar web article I was looking at just a little while ago with a toaster oven ect... Looks like back then the toaster
Re: 8 mil tracks with JetStar film
2006-01-26 by Bob_xyz
... ... ... cotton ... is ... to ... photoresist, ... Photo stores carry specially designed anti-static brushes for darkroom work.
Re: [Homebrew_PCBs] Re: 8 mil tracks with JetStar film
2006-01-26 by Adam Seychell
... All fine detailed printouts should be handled with care. I wear cotton gloves when I need to handle the film aggressively. A big problem is dust and
Re: [Homebrew_PCBs] Re: 8 mil tracks with JetStar film
2006-01-26 by Leon Heller
... From: derekhawkins To: Sent: Thursday, January 26, 2006 1:09 AM Subject: [Homebrew_PCBs] Re: 8 mil
Re: Making a homebrew board using QFN packages
2006-01-26 by derekhawkins
... Your argument makes sense if you re complaining about a lack of package choices and this may have something to do with your distributor. If not, then it
Re: 8 mil tracks with JetStar film
2006-01-26 by derekhawkins
... What about the durability of the artwork? How scratch resistant is it? I ve seen cases where all seems to go well with ink and film combo but the artwork
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-25 by Stefan Trethan
... Yes, but they can t simply put them in a box with some antistatic foam these days - without the palstic packaging they would get lost. ... I will never
Power Tools for cutting PCBs-Was: Re: Cheap rotary tools at Harbor Freight
2006-01-25 by dl5012
I use this 8 shear from Harbor Freight (http://www.harborfreight.com/cpi/ctaf/displayitem.taf? Itemnumber=90757). Works great if your material is under 8 in
Re: [Homebrew_PCBs] 8 mil tracks with JetStar film
2006-01-25 by Leon Heller
... From: Adam Seychell To: Sent: Wednesday, January 25, 2006 9:21 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-25 by Mike Young
... From: derekhawkins ... Nothing s wrong. Was just wondering what made it better.
Re: [Homebrew_PCBs] 8 mil tracks with JetStar film
2006-01-25 by Adam Seychell
... Interesting. What was your inkjet printer model, printer driver settings and if you used refilled black ink, what brand was it ? I ve found all these
Re: Making a homebrew board using QFN packages
2006-01-25 by derekhawkins
... What s wrong with an old toaster oven if one just happens to have one on hand? ... I had
Re: [Homebrew_PCBs] Re: Making a homebrew board using QFN packages
2006-01-25 by Mike Young
... From: derekhawkins To: Sent: Wednesday, January 25, 2006 12:37 PM Subject: [Homebrew_PCBs] Re: Making a
Re: Making a homebrew board using QFN packages
2006-01-25 by derekhawkins
... Toaster oven would be better. Saw a nice infrared convection toaster oven with digital temperature display and controls, if only it was programmable. ...
Re: Making a homebrew board using QFN packages
2006-01-25 by Anthony
After more consideration, I am seriously considering getting the MiRF devices from sparkfun, that way I don t have to deal with the requirements for the RF
Re: Making a homebrew board using QFN packages
2006-01-25 by derekhawkins
... Tapes are really intended for pick and place machines. But you knew that. A cut tape purchase simply means they cut a piece off with the quantity you