BM1AT Redesign

Contest Closed
Description:
We have a board designed in Kicad with through-hole components and want to replace most of them with SMD counterparts. Board dimensions, terminal blocks and a few more components located around the board's edges cannot be modified.
Specifications:
Board dimensions: 8.200 x 3.420 inch
PCB: 2 layer FR4 1.6mm green
Integrated circuits: ATmega1284P-PU (x1), ULN2803 (x2), 74HC595 (x3), CD4021 (x3), DS1307 (x1) and PB82B715P (x1). There is also a piggyback step down buck converter that may be integrated in the main board but this is not important now.
Passive components: 66 1/4W resistors, 28 ceramic capacitors, 31 diodes, several plug in terminal blocks and more.
Wants:
We need the Gerber files for manufacturing and the BOM of the new SMD components used.
Software:
  1. KiCad (4)
  2. EAGLE

Entries

#1 BM1 - AT by A.Owli
Hi
As you can see I did the job as you desired it by replacing THD devices with SMDs with defined specificities. As the density of devices on the board and the traces’ traffic on each layer are high, I tried to fix this problem in 6 layer PCB as you wished and it took a lot of time from me and it is prepared now but I recommend to use 8 layers PCB to avoid manufacturing errors. I am ready to do this for you if you want it. I’m looking forward to hearing from you.
A.Owli
more
Nov 23, 2016 9:19

Discussion

MUZA

Buyer

Thu, 22 Dec 2016 17:23:57 +0000
The only proposal received does not meet my requirements, therefore this contest is over and ended. Thank you for your interest.
Tue, 06 Dec 2016 22:14:15 +0000
Don't submit until prepaid.
Thu, 24 Nov 2016 20:48:26 +0000
Pls keep contest open, I'll upload Kicad version with two layers soon.

MUZA

Buyer

Wed, 23 Nov 2016 15:20:50 +0000
Entry
Hi A.Owly
Thank you for your interest in my project.
The original board is built in two layers. If the conversion to SMD requires more than two layers, least 6 or 8, then the production costs will skyrocket making the project unnaffordable.
I other designers come with similar solutions then I will abandon the project.
Regards
J.M.

MUZA

Buyer

Mon, 21 Nov 2016 03:43:31 +0000
As indicated, I prefer Kicad V3 or V4.
Thank you all for your interest.
J.M.
Thu, 17 Nov 2016 18:44:03 +0000
is it ok if i will provide you file in Autodesk INVENTOR 2017
Thu, 17 Nov 2016 10:30:00 +0000
is it ok if i will provide you file incr4eo software

MUZA

Buyer

Wed, 16 Nov 2016 20:53:41 +0000
Hello Mart
Thank you for your interest in my project to redesign the PCB of BM1AT board.
I've just attached the electrical schematic for the board.
Regards
Muza
Wed, 16 Nov 2016 18:12:43 +0000
Do you have any schematics?

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