PeterZ posted two layouts, 1206 and 0804. I'm not sure which size Fortran used for the group buy.
Note that 0402 is 1mm long, rather than 0.1mm. The ones for this kit will be 2-3x larger than that. You should be fine, but you may want to do some practice on a junk board first.
I'm not sure what "normal" is. I see the imperial units used more often in discussion. Datasheets often list both, such as the Vishay one for the resistors Fortran ordered.
http://www.vishay.com/docs/20035/dcrcwe3.pdfFortran mentioned that he might be able to presolder a small quantity of boards. I'm not sure if that's by hand or if he has a reflow oven to do them in bulk. Depending on the price difference, I might be interested in that option.
All gerbers i posted in the final version on github are for 1206.
Something else to be said about beginner soldering SMD resistors - they are much more prone to change their value if not soldered quickly and cleanly. Through hole are more forgiving. When you have carefully selected binned resistors to get spot on indexing it can be quite depressing to find it all over the place after soldering!
+ 54x 1%, 1/4 Watt SMD resistors
I ordered 10 sets of 0.1% resistors as well, since a few people wanted that.
Fortran mentioned that he might be able to presolder a small quantity of boards. I'm not sure if that's by hand or if he has a reflow oven to do them in bulk. Depending on the price difference, I might be interested in that option.
Yes I will hand solder a few sets for those who aren't able to solder themselves.
I wasn't planning on charging anything for it if the "aren't able to" criteria is met.
Pleas of lazyness aren't good enough, and will go unheeded!
No worries. For me, it's simply the age-old trade-off of time vs. cost. Since that scenario no longer applies here, there's nothing to have to decide. Easy.
Hmm, an electronics forum with no smiley that's soldering.
Note that 0402 is 1mm long, rather than 0.1mm. The ones for this kit will be 2-3x larger than that.
https://en.wikipedia.org/wiki/Surface-mount_technologyI read the chart wrong. 0.1 mm was just a comparison size whew
So 1206 is 3.2 mm x 1.6 mm Still small for me
FYI from above article
Problematically, some manufacturers are developing metric 0201 components with dimensions of 0.25 mm × 0.125 mm
Boy this is small wonder if anyone here could solder these ?
Woah, metric 0201.
"You're ordering another 1000 SMD resistors? Didn't you just get some yesterday?"
"I sneezed."
Better than inhaling them I imagine!
Oh my! There a joke in there somewhere.
Update:
Resistors have arrived and I've cut them into strips already.
The boards are in Finland so they should arrive within a day or two.
I'll start shipping out this week. Just need to know the final numbers on everything.
Shouldn't differ much from what I've calculated.
Everything have arrived and I'm ready to ship
I've been forced to adjust the price slightly, but I'm hoping everyone is ok with the final numbers.
6 PCB's = 1.50 USD
1% resistors for 6 boards =
1 USD 2 USD ** Out of stock **
0.1% resistors for 6 boards =
14 USD ** Out of stock **
Shipping worldwide = 3 USD (good for about 6 kits)
So a kit with 6 boards, 1% resistors and shipping is
6.50 USD ** Out of stock **
A kit with 6 boards, 0.1% resistors and shipping is
18.50 USD ** Out of stock **
Edit: All gone. Removed payment details.
Payment sent for 1 kit w/ resistors. Thanks again for putting these kits together.
Payment sent for 2 kits. PMed you with the details.
Everything have arrived and I'm ready to ship
I've been forced to adjust the price slightly, but I'm hoping everyone is ok with the final numbers.
6 PCB's = 1.50 USD
1% resistors for 6 boards = 1 USD
0.1% resistors for 6 boards = 14 USD
Shipping worldwide = 3 USD (good for about 6 kits)
So a kit with 6 boards, 1% resistors and shipping is 5.50 USD
A kit with 6 boards, 0.1% resistors and shipping is 18.50 USD
Simply add up the stuff you want and send that sum via PayPal to dldm04@gmail.com, along with your list and address.
If anything is unclear, let me know.
Sorry for the silly question, but I've never used paypal to send money directly before. Do I choose the "send money to friends" option, or the "pay for goods and services" option?
In this case I would pick friends. I mean we are all friends here, right? Unless you feel charitable towards paypal at Fortrans expense of course. I'm sure he has costed the commission scenario in?
Payment sent for 2 kits. Thanks again for putting these kits together
Tony (PM sent also)
Fortran. Payment sent for 1 off 1% Kit via PayPal.
Many Thanks for all your efforts.
John
A kit with 6 boards, 0.1% resistors and shipping is 18.50 USD
Simply add up the stuff you want and send that sum via PayPal to dldm04@gmail.com, along with your list and address.
If anything is unclear, let me know.
Payment sent! I sent it as a personal payment as to avoid any fees on your side.
First orders have been sent and hopefully everyone has been notified.
If not, let me know
No idea what I just paid for, will be fun anyway I guess
Just paid fot 6 pcb set, 1x 0.1% resistor set, 4x1% resistor set, 1xship.
Thank you.
Update:
Only 3 of the 0.1% kits remaining.
I've got about 20 of the 1% kits left, and about half a kilo of boards
I'm in no danger of running out of boards..
While I'm waiting for the board&resistors to arrive I'm looking at AliExpress for the remaining needed components (KM2 switches, enclosure-box, banana-socket).
While I settled for this switch
http://www.aliexpress.com/item/Black-18mm-x-6mm-0-9-Digits-BCD-Code-Pushwheel-Thumbwheel-Switches-KM2/1804257049.html I'm still undecided for the enclosure as I don't exactly know the height of the switch+PCB board - I would like the enclosure to be as small as possible.
Has anybody measured the required height? The plain-vanilla switch (according to AliExpress) seems to be 28 mm, but I guess approx. 2-3 mm of it will stick out of the encasing (pushbuttons, frame), so the case needs a minimal "inside" height of approx. 25 mm?
Just paid for 2x 6 pcbs only.
Thank you.
Cheers
Alex