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« Reply #30 on: January 12, 2012, 03:12:51 am » |
Hmm, see, to have lost a couple of the big cap's in the conversion ...
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Upstate NY
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« Reply #31 on: January 12, 2012, 09:18:22 am » |
I really like the PIH design.
Based on the board size, what would the cost be?
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« Reply #32 on: January 12, 2012, 12:36:15 pm » |
Bare boards, 10 or $24.90 from iteadstudio plus shipping, typically $5 to Boston, MA area. So if I order 10, then $4 mailed in an envelope to you. Materials: '1284s are $5.82 at Mouser, $4.50 for the FTDI chip, regulators ~75 cents?, USB connector ~$1, and whatever you can scrounge up for sockets/headers, Rs, Cs, LEDs. Maybe ditch the surface mount parts and just put holes for pins for one of these one instead http://www.mouser.com/ProductDetail/mikroElektronika/MIKROE-483/?qs=sGAEpiMZZMuNcqZxhMNT3znYT0k8AsjHThat'd be worth $5 saved in surface mounting aggravation to me! The same holes could allow an FTDI Basic to be jumpered in for programming and not be installed if the end application didn't need it, like a big Pro Mini. Can get the rest pretty inexpensively from www.dipmicro.comThink I'll add 3 more holes to allow for 3.3V from the FTDI if the 3.3V regulator is not used, and change the 5V regulator to a 7805 type.
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« Reply #33 on: January 12, 2012, 01:26:39 pm » |
JoeO, Saw your PM attempt - system does not seem to be working yet. Or I need to make some undetermined change still to allow PMs to work again. Or my PMs are hosed as a moderator. Or ... Either way, what's up?
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Upstate NY
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« Reply #34 on: January 12, 2012, 01:33:23 pm » |
Bob:
1284 Duelaminove PIH. I would take up to 10 boards. Would you want to have the whole panel sent to me from the manufacturer and I would pay you the $40?
JOe
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« Reply #35 on: January 12, 2012, 03:57:07 pm » |
Boards coming from China. Customs, etc. Easier to receive & forward.
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Italy
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« Reply #36 on: January 12, 2012, 06:11:02 pm » |
Yes you can Leo.
Thank you, Bob.
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« Reply #37 on: January 13, 2012, 01:59:30 am » |
Grr, I think I need to re-do the layout on the all-thru hole board. Eagle saying the schematic & layout are not compatible, every thing I try & fix just makes it worse. Not sure how they got that way, but it seems hopeless.
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Leighton Buzzard, UK
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« Reply #38 on: January 13, 2012, 06:54:53 am » |
it may not be the end of the world if you want to send .brd and .sch I'll see if I can "av a word" with it cheers Mike
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there are only 10 types of people them that understands binary and them that doesn't
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« Reply #39 on: January 13, 2012, 09:23:02 am » |
Thanks Mike, will send it over tonight after work. 10:30pm your time unfortunately.
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« Reply #40 on: January 15, 2012, 02:09:27 am » |
Okay, I had to re-do my .brd file, didn't seem to be anyway to recover. Here's the new layout  and the files. Could use some feedback re: pin header labels - can't really squeeze things into the middle, the '644 placement is fixed by the ICSP header. I suppose one way is make the board taller, slide everything up a tenth or so and out the labels around the outside. Am using this neat little FTDI module vs the FTDI chip itself - figure the cost of the module and its parts is comparable to the chip, USB connector, some caps, and the hassle if soldering that chip in place! http://www.mouser.com/ProductDetail/mikroElektronika/MIKROE-483/?qs=sGAEpiMZZMuNcqZxhMNT3znYT0k8AsjHGot some ordered to try out. If anyone's up for a review, here are the eagle 6 files. http://www.crossroadsfencing.com/BobuinoRev17/atmega1284_DIP_thruhole.schhttp://www.crossroadsfencing.com/BobuinoRev17/atmega1284_DIP_thruhole.brd
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« Reply #41 on: January 15, 2012, 06:43:06 am » |
I took a peek at the layout very neat
I think there’s space to add pin labels outside the pins I find that easier especially once a shield is in place
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there are only 10 types of people them that understands binary and them that doesn't
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« Reply #42 on: January 15, 2012, 02:22:04 pm » |
I made it a little wider, cleaned up the right angle traces, added header pin names. Think the names are too big this way? [edit- fixed couple typos in the link] 
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« Last Edit: January 15, 2012, 03:15:29 pm by CrossRoads »
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Leighton Buzzard, UK
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« Reply #43 on: January 15, 2012, 02:38:38 pm » |
I made it a little wider, cleaned up the right angle traces, added header pin names. Think the names are too big this way?  I took the liberty of "adjusting" your link! but it looks fine to me certainly not too big but then my eyes[ancient] appreciate larger fonts! you might try labels that run the other way so rather than one label per pin you have one loooooooooooong label A7 A6 A5 A4 etc
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there are only 10 types of people them that understands binary and them that doesn't
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Global Moderator
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« Reply #44 on: January 15, 2012, 03:16:51 pm » |
I tried horizontal labels, they're ok for 2 characters, 3 run into each other too much.
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