Re: [Homebrew_PCBs] Re: Direct inkjet resist on 1.6mm FR4 results
2006-04-29 by cristian
... What really pre-mix means: that the components are different and they react each to other to make a water resistant one? Cristian
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Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-29 by lcdpublishing
This is starting to sound like bad news to me :-( It is odd that I got the durabrite ink to hold up to etching and such by just applying it to stock fresh
Re: [Homebrew_PCBs] Re: Red Laser Diode Rotating Drum Photo Plotter
2006-04-29 by Jan Kok
... I guess what I would do is run the processor from a crystal oscillator, and try to sync the cylinder rotation with the processor clock. 12 inches
Re: [Homebrew_PCBs] Re: Direct inkjet resist on 1.6mm FR4 results
2006-04-29 by Stefan Trethan
Yes, great results again. Good to hear the mixing worked. i would like to see the large photos please, and i would put them up on the webspace again like the
Re: [Homebrew_PCBs] Re: Direct inkjet resist on 1.6mm FR4 results
2006-04-29 by Mycroft2152
Hi Volkan, Great progress! the pictures are a little dark. Email the high res to me and i ll run them through photoshot ot lighten them up. TANSTAAFL! Myc ...
Re: [Homebrew_PCBs] Re: Direct inkjet resist on 1.6mm FR4 results
2006-04-29 by Volkan Sahin
Finally, I almost completed my Epson CX4200 modification and I uploaded the results of printing before and after etching. I premix magenta(10ml), yellow(15
Re: Red Laser Diode Rotating Drum Photo Plotter
2006-04-29 by cunningfellow
... The final board shall probably have an ATMega an FT232 and a HC4046. Apart from that some discreets or possibly an laser diode current driver IC. I am
Re: [Homebrew_PCBs] Red Laser Diode Rotating Drum Photo Plotter
2006-04-29 by Jan Kok
... My, what a lot of circuitry :-) If you are going to use a 16MHz ATMega, you don t need the analog PLL or XOR gates. Just pipe the encoder signals into the
Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-29 by Steve
... 04-28-2006: Black, Magenta, Yellow are dry even when rubbed fairly hard. Cyan, Magenta/Yellow, and Combo Black appear dry but feel slightly soft and crock
Re: Red Laser Diode Rotating Drum Photo Plotter
2006-04-29 by cunningfellow
... Damn - AVR Studio would not assemble that code :( I will have to actually cut and paste some X-Modem CRC code from my data loggers I build. Now for the
Re: [Homebrew_PCBs] homebrew laser plotter
2006-04-28 by Jan Kok
... Maybe - there might be a problem at the edges of the film (that are parallel to the axis of the cylinder), where the film might become flat and not press
Re: Red Laser Diode Rotating Drum Photo Plotter
2006-04-28 by cunningfellow
... ... Yes, I was thinking printers too. I have a collection of old inkys and dottys to pull apart. Something is still going to have to be done about
Re: [Homebrew_PCBs] Red Laser Diode Rotating Drum Photo Plotter
2006-04-28 by Jan Kok
... I like it! :-) The carriage mechanism from an old inkjet or dot matrix printer might work for holding the laser diode. I haven t worked with red-sensitive
EDM Lasers and marraige - was re: homebrew laser plotter
2006-04-28 by cunningfellow
... Roger - Will you marry me :D I so want to build an EDM for my machine shop. I can t bring myself to build a spark-oscillator one for moral reasons (it
Re: Red Laser Diode Rotating Drum Photo Plotter
2006-04-28 by ralucas4277
Hmm, missed this post before, yes it s the like magic bit that needs the algorithm!! Roger
Re: adapter boards, breadboards, SMD pads?
2006-04-28 by cunningfellow
... ... Free-Air wire them to dip sockets if its for protos. I just put a photo up in Files/Surface_Mount/Free-Air.jpg showing it being done to adapt a
Re: [Homebrew_PCBs] Re: homebrew laser plotter
2006-04-28 by roger lucas
... I am just starting to try to figure out BMP to raster for the PCB EDM MILL for which I have just finished the drive electronics,and xyz s. Because there
Blue PCB - was re: homebrew laser plotter
2006-04-28 by cunningfellow
... The actual software I use is Easytrax an old freeware version of protel for DOS. To get the blue PNG of the PCB I go to windows, load the PCB file into a
Re: [Homebrew_PCBs] Re: adapter boards, breadboards, SMD pads?
2006-04-28 by Christopher Hart
... Ah those key words. Unfortunately, many new parts are becoming only available in surface mount packages. Christopher Hart KC8UFV
Re: adapter boards, breadboards, SMD pads?
2006-04-28 by derekhawkins
... Have you considered just buying DIP equivalents for breadboarding and testing? Could be cheaper and less hassle if they exist.
Re: [Homebrew_PCBs] Re: homebrew laser plotter
2006-04-28 by Lez
Thats where I m going wrong, I m using time and diptrace. ... -- Lez - Looking for early starwars (episode 4, original starwars) recordings, even pirate - - I
Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-28 by Steve
... Puddles draw ink away from nearby areas. Steve Greenfield
Re: homebrew laser plotter
2006-04-28 by cunningfellow
... Alt-PrintScreen and a bit of elbow grease.
Red Laser Diode Rotating Drum Photo Plotter
2006-04-28 by cunningfellow
All, This is the new thread I have started for details on the laser plotter I am going to try build. As stated in the just previous message - I am aiming at
Re: [Homebrew_PCBs] Re: homebrew laser plotter
2006-04-28 by Lez
Like the blue circuit board pic, whats it done with?
Re: homebrew laser plotter
2006-04-28 by cunningfellow
... Your wish is my command. Check the files section. Laser Plotter I didn t take a photo of the bottom side to avoid the merciless piss taking and cold
Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-28 by lcdpublishing
Steve, If the puddling stays within the boundries of the area you want printed, why worry about it? Chris ... still ... don t ... prints ... get ... traces ...
[Homebrew_PCBs] RE : Toner Transfer Paper
2006-04-28 by Robert Hedan
Try parchment paper, it has a silicone layer and should let the iron slide nicely. Parchment paper is used for baking, so heat should not be a problem. Robert
Re: [Homebrew_PCBs] Re: homebrew laser plotter
2006-04-28 by Lez
Yes, pics please! I am intersted in how your going to get the bmp out to a laser diode etc. Reminds me of a paintjet (a real one, with paint, and an airbrush
Re: [Homebrew_PCBs] Re: Inkjet ink that can print on uncoated surfaces
2006-04-28 by cristian
... And how much is the printer? Cristian
Re: homebrew laser plotter
2006-04-28 by cunningfellow
... I like the idea too - so am going to try recreate something half way between the pico-systems one and the one bungard are selling. ... Only sensible
RE: [Homebrew_PCBs] Toner Transfer Paper
2006-04-28 by Mark Mickelsen
Thanks! Does anyone know what the hottest hand iron on the market is? Are older models that might be available on Ebay hotter than the ones available today? I
Re: [Homebrew_PCBs] adapter boards, breadboards, SMD pads?
2006-04-28 by Herbert E. Plett
... make them yourself! single sided, no holes. Easy and fun... 1/4w resistors can be easily surface mounted if cut and bent appropriately, even DIPs ! just
RE: [Homebrew_PCBs] Toner Transfer Paper
2006-04-28 by Herbert E. Plett
... my first thought is either you printed too light, or the iron was not hot enough. I measured abt. 225C (440F) on the iron when it clicked back on. ... it
adapter boards, breadboards, SMD pads?
2006-04-28 by Marvin Moss
I want to breadboard some SMD 6-pin IC s with 0.95mm pin spacing. Ideally, I want to solder these on a postage stamp size PCB that has decent size pads that I
RE: [Homebrew_PCBs] Toner Transfer Paper
2006-04-27 by Mark Mickelsen
I tried the Epson glossy photo paper with my ML-2010 printer. It takes the printed image beautifully but the toner doesn t transfer to the copper very well.
Fume Safety Re: cleaning solution for inkjets - Steve
2006-04-27 by Steve
... We re glad you survived. I once stupidly loaded a spray bottle with undiluted cleaning ammonia and started spraying the shower curtains vigorously. I paid
Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Steve
... Updated! Gist: Still way more ink that is probably needed, as it still puddles, but it no longer strays outside the lines. I ve got this cooking in my food
Re: [Homebrew_PCBs] Re: cleaning solution for inkjets - Steve
2006-04-27 by Stefan Trethan
On Thu, 27 Apr 2006 13:57:58 +0200, Len Warner ... Yes it was rather stupid, i know. ST
Re: Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Steve
... Interesting. The board dried a bit overnight. Hot water rinse, the puddled drops ran right off but most of the ink was rather difficult to remove fully. On
Re: RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Steve
... Not exactly. There are variable drop sizes in many new desktop inkjet printers. I -think- that for a given DPI setting the droplet size stays the same, but
Re: [Homebrew_PCBs] Re: RE : Compatibility of Epson C84 for direct PCB printing
2006-04-27 by Alan King
... Was thinking of similar myself, it d be realtively easy to do and I have some 5 long PCBs for signs that would love a rolling printer.. And after a
Re: [Homebrew_PCBs] RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Alan King
... Pretty sure that inkjet firing is pretty much a go/no go process, not metered. Any form of metering is either more/less shots in one spot or lower
Re: [Homebrew_PCBs] RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Lez
Draft is usually one of two things, same amount of ink but head moves twice as fast so may be misaligned a few 1/10ths of mm etc OR only print every other
[Homebrew_PCBs] RE : Compatibility of Epson C84 for direct PCB printing
2006-04-27 by Robert Hedan
Wow, I ve totally removed the upper guts on the chassis. A cut here and a slice there and I might be in business using the existing printhead backplate. It
[Homebrew_PCBs] RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Robert Hedan
I have no idea, it just was a suggestion if nothing else works. Robert
Re: RE : Compatibility of Epson C84 for direct PCB printing
2006-04-27 by Steve
... should be ... edge of the ... Several different companies have just modded Epson (and a few other brands) printers into flatbed printers. At least one is
[Homebrew_PCBs] RE : Compatibility of Epson C84 for direct PCB printing
2006-04-27 by Robert Hedan
I m still waiting to be able to buy MIS ink, I should have funds within days. Meanwhile, I ve totally stripped the printhead chariot without breaking anything.
Re: RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Steve
Except that is a lower resolution, isn t it? I would turn color correction back on in the driver and turn the sliders down to reduce the ink without reducing
[Homebrew_PCBs] RE : Direct inkjet resist printing using MIS pigmented inks
2006-04-27 by Robert Hedan
If ink beads so much, I d try using DRAFT quality. Maybe this is one situation where less is better. Robert