- email off the Eagle files
- you get 2-3 free copies, and the extra copies go up on the site for other people to buy (which covers your free boards).
- projects and browsing a site that had a bunch of circuits boards that are already ready-to-go (along with schematics and BOM) would interest me,
<harsh semi-sarcistic semi-joke mode on>
1) EAGLe only? RACIST ! why only the trailer-trash of cad programs ? Gerber RS274X is what you need to handle. Besides , i dont want to give you my source cad file.
2) who says anyone would buy my boards or could be interested in what they are for ? i may be making a on-of-a kind adapter to probe in a harddisk or to debug a chip. totally useless for anyone else. but hey, if you want to give me free boards.. i'l play along
3) schematics ? not in your lifetime. design your own stuff. i'm not giving anything away for free. i just want free boards so I can sell them for lots of money ...
</>
<serious mode>
see what is wrong with your approach ? it's set up for failure.
1) the world does not revolve around 1 cad tool. the lowest common denominator is Gerber data and ncdrill. And there's your problem. every tool has its quircks . layer misalignment , drill to track misalignment , plot sizes , origins , filenames ... and you'll have to clean it up unless you have some really good gerber tools to panelize (frontline genesis). it'll end up being a drag... you'll either have to do it or be swamped in emails from beginners asking 'how do i create gerber ? what is ncdrill ? my tools does not have gerber , its a free one from pcbexpress... can i send in BMP or JPG ? dealing with source files is also problematic. you'll have to be proficient and have all the cad tools out there...
2) is your biggest problem. if all you are after is some arduino shields it will work. The other stuff ? Besides , you are hoping the guy will release the schematics and documentation. The guy ordering the boards is NOT interested and has no time to deal with other people that want to build the same thing. Even if i were to release the schematic to one of my designs there may be firmware involved .. and then the crap begins. What to release ? Binary ? I'll have to front all the questions 'i want this modification , can i have the source , why did you use compiler xyz that costs money .. i only have the free great-crap-compiler. why did you write it in PL1 and not in C ? why do you use AVr, i want PIC ? Why is it full of 0402 parts and tqfp 's. Why does the cpu need to be in BGA ? i can't solder this.. yadda yadda yadda waa whaa whaa.
me as board originiator am not prepared to deal with all that stuff. It's my design i dictate the rules. not the guy producing the boards (you) nor the guy buying the pcb from the guy producing. It's not a democracy. it's a dictatorship. If am so good i may tell you : Here is schematic, here is binary, buy board there.
But it doesnt stop there. Then it's going to be: can i substitute the LT1006 opamp that cost 12 dollar with an lm741 with 2 missing pins ? Do you really need 0.1% resistors ? Why does the board only fit this enclosure that i can't buy in my country ...
You are opening a potential can of worms that the guy ordering the board is NOT prepared nor willing to deal with. If the designer is unresponsive guess who will get his forum overloaded with angry 'buyers' posting stuff like 'this site is crap , they sell boards but there is no support' yada yadda ( you know how people are...)
And the last problem. i built it to the letter( i think) but it doesnt work .please help ... deafening silence....
3) schematics? not in your lifetime ! this is a prototype board for a device i am hoping to throw on kickstarter when done so it can become the next big thing and i can become a bajillionaire. thanks for the free boards..
And if i were to release schematics and pcb layout i am still not willing to deal with number 2 above ...
So you are essentially setting up a pooling service for a very small niche market.. the eagle user who want to do open source open hardware and is willing to support other people who want to buy his design...
and now i'm going to be really harsh.. the quality of work that comes out of that pool of 'designers' is the stuff pigs like to roll around in...
So you still will have another problem : fielding all the questions . why can't i do this or that? why did my trace burn up ? this is my first board please help. what are file extensions ? i used a crcked version of eagle 1.0 will it work ? and the entire shitstorm of other noob questions.
That's all fine if you are really into that but you have to be a friggin masochist to take that on.
Itead and Seed have done it and it is successfull for them. Why ? becasue labor over there costs nothing. if you are to set this up over here : you will be swamped in labor. the little money profit you will tack on to the pcb's + the cost of the 2 or three you give away will blow the price waay above itead or seeed.. and poof goes the idea.. you'll do all the work and sit on apile of boards thay may sell one or two a month.
here's another thing you haven't covered : you give me 2 or 3.. how many extra will you make ? 5 ? 10 ? 100 ? before you know it you will have a warehouse full of batches of 97 boards that nobody wants... ( you ordered 100 , gve away 3 and the other 97 sit there ).
by the time anyone buys them they are so corroded that they are unsolderable...
oh, and what about all the other stuff.
i wantyellow soldermask with black silkscreen.. and enig finish.. someone else want green silkscreen on purple soldermask... you'll have to collect a massive amount of orders to be able to pool successfully... and itead and seed already have the ball rolling.
in other words : it's going to be very hard... and the return is going to be zilch.
itead is successful becasue the board originator pays for the entire board cost. they retain 2 and give you 2 random from their open pool. it costs them nothing.
you willfail becasue you will front the entire board coast, give the two free upfront and hope someone else will buy the remainder...