Custom PCBs

Hi all,

What are the top-3 picks for the best custom PCB manufacturers you guys know of or have used?

I found out about http://www.sz-jlc.com/home/index.html - but everything is in Chinese

Also - would appreciate any links to the smallest Arduino (like the nano) you can buy? Not sure what's out there on the custom side for a small form factor for an Arduino with an atmega328.

Thanks in advance!

I've had good results with iteadstudio.
Here's a little 328 board I offer bare for a couple of dollars.
http://www.crossroadsfencing.com/BobuinoRev17

Or you could try an ardweeny for something chip sized

This is the smallest I have used.

PCBs

http://www.apcircuits.com/

CrossRoads:
Or you could try an ardweeny for something chip sized
https://solarbotics.com/product/kardw/

That’s pretty clever!
And…you can still program it with Arduino board, if ya’want to.

image.jpg

http://oshpark.com/

Smallest does not mean cheapest and sometimes cheap wins...
http://www.instructables.com/id/Build-A-FLAT-duino/

No crystal is required if you rely on the RC internal osc. Keep BAUD rates down to 9600 or so and you should not have a serial-TTL issue. In the pix, you will see a small 16.000MHz crystal in the epoxy for the project shown.

With the qty 1 price around $2.25, you can take a few chances and just bend the 328P-PU leads to make it easy to directly solder... Three suggestions, 1) all spread horizontal, 2) 1-14 bent on top of DIP with 15-28 bent under DIP, and 3) alternate top & bottom bends to provide greater ease at soldering: ex: pins 1/3/5/7/9/11/13/15/17/19/21/23/25/27 bent top-ward and over top with even pins bent downward and wrapped around bottom side.

When the project is fully working, use epoxy to secure the rats nest. For these kinds of project, you may
Want to dispense with the bootloader, just make certain you can access the ISP pins.

Obviously, not a professional looking build, but if you need to cram stuff into a small place, you be surprised how small you can get things without a circuit board. It gets even better if your project can use a tiny85!

Ray

And…you can still program it with Arduino board, if ya’want to.

It has FTDI on top too.

7-28-2013 12-34-22 PM.jpg

Thanks for the great tips and links everyone

dakrisht:
Also - would appreciate any links to the smallest Arduino (like the nano) you can buy? Not sure what’s out there on the custom side for a small form factor for an Arduino with an atmega328.

It’s not an atmega…just an ATTiny, but I’ve got one of these Digispark USB Development Board - Digistump, and really like it. Built-in USB connection etched into/onto the PCB - I just plug it right into a Duracell USB battery to run it. With the USB part it’s still less than 1 square inch, and the USB Connector is almost half the board. You can also EASILY make your own “shields” out of a piece of perf-board. I think there is only 8K or 10K of program space, and just a few pins to work with…but that adds a nice challenge to the design process — keeps it interesting. :.

EDIT:

To throw one more PCB manufacturer at ya

http://www.4pcb.com/

I have not used them (yet). But, I’ve heard good things, prices are…not as high as some other “100% U.S. Made” PCB shops…and they offer a pretty quick turn-around.

If/when you do order, keep us posted. Let us know who you chose, how the quality is, turn around time, etc.
Thanks

iTeadStudio/iMall
Seeed
OSHPark
Elecrow

are the ones I have either used myself with good results, or have read/saw good results

(good prices too)