[GreenKeys] RS232 to TTY Loop Boards

Wed Feb 18 09:40:04 EST 2015

Thanks

I already have  found a service who will convert Express pcb format files into Gerber files at a reasonable price.

    Les

Lester B Veenstra  MØYCM K1YCM W8YCM

lester at veenstras.com

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From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Gil Smith
Sent: Tuesday, February 17, 2015 10:48 PM
To: Jeffrey D Angus; greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] RS232 to TTY Loop Boards

Don't use ExpressPCB, or Advanced Circuits (4pcb) or any of those expensive places.

Go to http://www.myropcb.com for an instant quote.

Click on "standard quote"

- for 20 boards and 10-day turn and it is $33.09 total, adding about $35 shipping from china 

  and you have $3.40 per board (including shipping)

- for 100 boards it is $55.94 plus maybe shipping of $50 (for more weight)

  and you have $1.06 per board (including shipping)

Yes, 100 boards, including shipping, for $106 total.  No nre/setup/silk... charges.

I use myro all the time.

Another good place for small batches is https://oshpark.com/ and you get cool purple soldermask.

Or seeed, or itead...

gil

gil smith, AF7EZ
greenkeys moderator
gil at baudot.net

-------- Original Message --------
Subject: Re: [GreenKeys] RS232 to TTY Loop Boards
From: Jeffrey D Angus <jdangus at att.net>
Date: Mon, February 16, 2015 9:33 am
To: greenkeys at mailman.qth.net

Perhaps I wasn't quite clear on this.
I'm NOT making the boards.
I _am_ offering to assemble them if you don't want to make them yourself.
Labor to assemble them is roughly $10 each + shipping.

However, that being said, If I get enough orders for boards, I can have 
them
made via ExpressPCB. They are, not cheap. For example, a 1.9" x 2.2" board,
double sided with solder mask and silk screen is roughly $300 for twenty of
them. So $15 apiece.
Without the silk screen and solder mask, the cost drops down to $153 or
about $7.65 each.
The "set up cost per order" is the real cost here. $245 for the full 
board, and
$61 for the one without the solder mask and silk screening.

Obviously, if you all go crazy and order enough of them, it brings the total
distributed costs down. For example, 40 of the simple boards drops down to
$5.85 apiece instead of $7.65.

Then, there's also the cost of the parts for the boards. Mouser does give a
price break on quantity. So that helps.

However, both the PS7141E and the thick film 10 watt resistor are non-
stocked items. The cost of them are about $3 each.

If y'all want me to, I will sit down, do a PC board layout for currently
available parts, and an itemized parts list with costs for all three items.
Parts, PC board and Labor. My guess at this point is going to be around
$30 per board assembled. Closer to $40 if you want the pretty boards
with solder mask and silk screen.

-- 
Jeff-1.0
wa6fwi
http://www.foxsmercantile.com

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