Re: [Homebrew_PCBs] changed from Re: DLP mcu simplification to microcontrollers for a beginner
2010-05-18 by Wayne Topa
... http://www.amqrp.org/elmer160 Would be a geed place to start. Wayne
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microcontrollers for a beginner
2010-05-18 by Cristian
... I m using FlowCode 4 for PIC from MatrixMultimedia. It is good for the beginner. Cristian [Non-text portions of this message have been removed]
changed from Re: DLP mcu simplification to microcontrollers for a beginner
2010-05-18 by Andrew
Steve, you might enjoy poking around this site: http://www.sparkfun.com/commerce/categories.php
Re: [Homebrew_PCBs] changed from Re: DLP mcu simplification to microcontrollers for a beginner
2010-05-18 by Andrew Villeneuve
There are a lot of options out there, and I do believe PICs are probably far more popular in the long run. They ve got a pretty broad line, from very
Re: Old GL FeCl -very slow etching copper
2010-05-18 by Frank P
James, When you mix the HCL with the hydrogen peroxide what kind of container do you use? Also, how do you store the cupric chloride? In a bottle, etc? Also,
[Homebrew_PCBs] changed from Re: DLP mcu simplification to microcontrollers for a beginner
2010-05-18 by Steve
Your note below touches on a topic I ve been thinking about but haven t found a starting place. I d like to learn about microcontrollers. What they are, what
Re: [Homebrew_PCBs] Re: DLP mcu simplification
2010-05-18 by Andrew Villeneuve
To anyone intimidated by MCUs, I d recommend the Arduino platform. It s AVR based, costs about $30, and doesn t need any additional hardware for programming
Re: DLP mcu simplification
2010-05-18 by sailingto
... That sounds very fair and the possible $5 price tag is more than reasonable!! Thank you for all your work. ... and here it was I though the AVR chips were
Re: [Homebrew_PCBs] DLP mcu simplification
2010-05-18 by Mark Lerman
The program is explained in detail in the pdf. It s been a very long time since I ve programmed in PIC, and as I recall it isn t a very intuitive language, so
Re: [Homebrew_PCBs] DLP mcu simplification
2010-05-18 by Cristian
... I d like to buy one.Already bought the printer. Meanwhile could you post the flowchart, to allow us to try write a program, please? Or the hex file for a
[Homebrew_PCBs] DLP mcu simplification
2010-05-18 by Mark Lerman
For anyone who is intimidated by the microcontroller board or just not in a mood to build one, I believe I can simplify it quite a bit. You can probably even
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-18 by mlerman@ix.netcom.com
... How long does a board take to etch with this system? Mark
Re: Old GL FeCl -very slow etching copper
2010-05-18 by Ben L
... I have never heated mine before. In fact I have it on the back porch and have etched boards fine in cold weather. I just pump lots of air into it.
Re: Old GL FeCl -very slow etching copper
2010-05-18 by Ben L
... Cupric Chloride Starts out as Hydrochloric Acid is what forms once enough copper is disolved into it. Can be started with Hydrocholoric Acid and Copper
Re: Old GL FeCl -very slow etching copper
2010-05-18 by James
... Most (all?) of us make it ourselves. Start out with hydrochloric acid, I picked up a gallon at a masonry supply shop for about 8 bucks, then mix it with an
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-17 by Harvey & Betty McRae
Start by checking with an electronic supplier....ie. resistors, capacitors, etc.. They sometimes carry the copper clad boards, as well as the etching fluids.
Re: [Homebrew_PCBs] Re: Update on my clinic.
2010-05-17 by Harvey & Betty McRae
I have found that as you prepare to share with others, there is always something extra that you gain in the experience. Just so in my case, always count the
Re: [Homebrew_PCBs] DLP Quesions and Phaser info
2010-05-17 by Mark Lerman
... I m pretty sure what Dave s gel does is help the powered toner stick to the board as it passed through the fuser. He uses it in an intact laser printer on
Re: Single sided PCB ?
2010-05-17 by acidblue
Thanks for the replies Andrew. I ve done as few manual routes before, but it can be a pain sometimes, specially when you have a lot of parts. Not to mention
DLP Quesions and Phaser info
2010-05-17 by studleylee
Hi Mark, I ve been following a similar path, but with the Xerox/Tektronix Phaser solid wax ink printers. I have a 8400 and an 850D that I run 8mil thick
Re: Single sided PCB ?
2010-05-17 by Andrew
Okay, I downloaded the latest version of KiCad (20100505) and tried it out. Wow, they have changed the interface around some! It looks like now you select the
Re: [Homebrew_PCBs] Re: Single sided PCB ?
2010-05-17 by Stefan Trethan
With layer one usually counts the copper layers. So double sided is 2 layer, one substrate. 4 layer can be two double-sided boards laminated together with a
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-17 by Stefan Trethan
Note that the boiling point of HCl is very low, so if you use that to regenerate your CuCl don t go crazy on the heating or it will really fume. ST
Re: Single sided PCB ?
2010-05-17 by Andrew
James, you may be right -- I don t know enough about the way these terms are properly used. In KiCad, though, a 1-layer board is a single-sided board; a
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-17 by Chris Maness
Make sure that you are aeriating the solution VERY vigorously. If there is not enough free oxygen in the solution, an insoluble layer of Copper (I) Chloride
Re: Single sided PCB ?
2010-05-17 by Andrew
I m running on Ubuntu 10.4; the version of Kicad that I m running is what was loaded from Synaptic Package Manager. I ll try downloading the latest version of
Re: Old GL FeCl -very slow etching copper
2010-05-17 by Frank P
Ben, Being very new to PCB etching, I wouldn t know where to begin to look for cupric chloride. Any hints? Do you handle it the same way as FeCl? Also, what is
Re: Single sided PCB ?
2010-05-17 by James
... Isn t layer different from side? I always thought a double sided board was a single layer, and multilayer boards consist of multiple double sided boards
Re: Old GL FeCl -very slow etching copper
2010-05-17 by James
... I found cupric chloride to be very slow at room temp, it benefits from heating even more than FeCl. HCl + peroxide certainly works fine at room temp
Re: Single sided PCB ?
2010-05-17 by acidblue
Wow, that is interesting. I don t have that Layer option in my version. That space is blank, I just have the Max Links and Auto Save . I m using this on
Re: Single sided PCB ?
2010-05-17 by Andrew
Hmmm ... I m running version 20090216. Surely they haven t taken this feature out in the newer version that you are running?? Just to be sure, here is a
Re: [Homebrew_PCBs] Re: Update on my clinic.
2010-05-17 by Stefan Trethan
Great job. My first board was a dual flashing light too, and I ve made boards ever since ;-) Actually doing stuff makes all the difference to get someone
someone wants to buy AL clad CCL?
2010-05-17 by Welch
.sinamailpaper-0{cursor:text;} .sinamailpaper-0 td, .sinamailpaper-0 textarea, .sinamailpaper-0 input, .sinamailpaper-0 br, .sinamailpaper-0 div,
Re: Update on my clinic.
2010-05-17 by Leon
I did something similar for the local amateur radio club, but as a demo. I took along a pre-prepared transparency, a pre-cut piece of resist-coated copper
Re: Single sided PCB ?
2010-05-17 by acidblue
There isn t a Layer section in the general settings. using Build 20100314 SVN-R2462-final
Re: Update on my clinic.
2010-05-17 by sailingto
... Congrats on the successful clinic - isn t teaching/learning LOTS of fun? Ken H.
Re: Single sided PCB ?
2010-05-17 by Andrew
There are two answers to this question. 1) Manually route, and just do so one the desired side of the board. I usually manually route most if not all of the
Re: Best Way to Cut PCB
2010-05-17 by Andrew
What do you mean by just standard blades ? If you mean woodworking blades, then I agree. If you mean any sort of blade on a woodworking band saw, then I agree
Re: Update on my clinic.
2010-05-16 by Harris Creek Central.
... My clinic went over big time. 8 members out of ten present. I prepared the boards, predrilled the holes, plus marked the lines with the Markers for
Single sided PCB ?
2010-05-16 by acidblue
How do I get Kicad to make traces just on one side of the PCB?
Re: Old GL FeCl -very slow etching copper
2010-05-16 by Ben L
... FeCl also works best Heated. I would really recommend the Cupric Cholride, it works great. I use to use FeCl but now that I use Cupric Cholride I ll
Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-16 by Bill
Small table routers work well also. Not to expensive.Gives a real good clean straight cut. ... From: Ben L Subject: [Homebrew_PCBs] Re:
Re: Best Way to Cut PCB
2010-05-16 by Ben L
... That should work good, also being a wet saw will keep down the dust. Ben
Re: Best Way to Cut PCB
2010-05-16 by Ben L
Not sure why a band saw would be safer than a table saw, they both have blades that can cut you. If you build a panel jig for the table saw should be safe easy
Re: Best Way to Cut PCB
2010-05-16 by Ben L
... Just standard blades will wear fast cutting FR4. What would be better than a band saw is a table saw or bench model table saw with a Dry/Wet Diamond Blade,
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-15 by alienrelics
Once in a while we get a bit testy, but generally things are friendly and members are supportive. Steve Greenfield listowner Homebrew_PCBs
Re: [Homebrew_PCBs] Re: DLP update
2010-05-15 by Mark Lerman
I ll try it in the next week or so and let you know. Mark
Re: Old GL FeCl -very slow etching copper
2010-05-15 by James
... An aquarium heater works well and they re cheap. I accidentally broke the one I I got at a garage sale and a brand new one was only $10 on ebay. I use
The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-15 by jamesmichaelnewton
... Erk... My bad... I was confusing Stefan with Steven for a moment there. If Stefan /did/ lead a group I /would/ be supportive of his decisions and his
Re: [Homebrew_PCBs] Re: Old GL FeCl -very slow etching copper
2010-05-14 by DJ Delorie
I ve always used 3% but in this case, you only need the H2O2, not the water it s diluted with. If you have easy access to stronger H2O2, go ahead and use it.