Arduino Mini clone boards

[Dean]

Hi Mark who was doing the surface mount PCB's a few weeks ago looking at doing some arduino Mini clone boards

and will/may demo them at a future workshop: what is the interest 

"I might have a look at getting some more of my Arduino Mini clone boards done - could be available at cost for those interested."

__Mark

[Dean]

The chip it sis designed for is ATmega168 or 328, TQFP, the layout is attached

[Dean]

People who are interested in a one of the board please respnd to the list - thanks 

On Tuesday, February 5, 2013 3:29:18 PM UTC, Dean wrote:

[Ian Lewis]

Hi Dean

 

Can you let me know what the cost is and is there any change of a workshop on making them/surface mount soldering?

 

Thanks

Ian

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[Mark Tillotson]

Hi people, I am the Mark in question!

I am hoping to visit on this coming Monday 25th Feb to demonstrate solder stencil  / toaster oven SMT soldering
and be able to manufacture some of these clone boards, probably 10 initially, and a mix of ATmega168's and 328's

Those interested in the homebrew SMT process I use might like this link:
http://forums.parallax.com/showthread.php/130196-How-I-do-SMT-soldering-in-toaster-oven/page3?highlight=toaster%20oven
(post #44)

__Mark T

[Adrian Godwin]

Did you try it before moving a heater from top to bottom ? I
appreciate more heat is useful on the top but the lower one would
presumably help in getting the board to the right temperature. Maybe
should be run a bit cooler than the top one.

I have a toaster oven still in the box waiting for me to do something with ..

[Adrian Godwin]

I've soldered a QFN package
(http://www.kickstarter.com/projects/24311020/avecsynth-an-arduino-form-factor-midi-music-synthe/posts)
using a hot air gun similar to the one in the hackspace, using the
guide here : http://store.curiousinventor.com/guides/Surface_Mount_Soldering/QFN

It took a couple of goes to get it right but it wasn't that difficult.
I put the rest of the components on with a soldering iron.

-adrian

[marc barto]

I am hoping to visit on this coming Monday 25th Feb to demonstrate solder stencil / toaster oven SMT soldering
and be able to manufacture some of these clone boards, probably 10 initially, and a mix of ATmega168's and 328's

That's great news Mark thanks!

How much time would you need for the presentation? Please let me know if you need any equipment/set up.

[Mark Tillotson]

On Wednesday, 20 February 2013 19:34:40 UTC, marc barto wrote:

I am hoping to visit on this coming Monday 25th Feb to demonstrate solder stencil / toaster oven SMT soldering
and be able to manufacture some of these clone boards, probably 10 initially, and a mix of ATmega168's and 328's

That's great news Mark thanks!

How much time would you need for the presentation? Please let me know if you need any equipment/set up.

 

I would think a couple of 15 / 20 min slots, firstly doing the stencil, then after populating board(s) the toasting step...

[marc barto]

I would think a couple of 15 / 20 min slots, firstly doing the stencil, then after populating board(s) the toasting step...

Sounds good. I'll be there before the event if you want discuss any details.

[Mark Tillotson]

On Thursday, 21 February 2013 10:55:56 UTC, marc barto wrote:

I would think a couple of 15 / 20 min slots, firstly doing the stencil, then after populating board(s) the toasting step...

Sounds good. I'll be there before the event if you want discuss any details.

Thanks - Well I can't promise to be there promptly, coming from Cambridge, hopefully ETA 7:45 

__Mark

[Ian Lewis]

Hi Mark

Thanks for coming in, I found it really interesting

Ian

[Mark Tillotson]

BTW guys, if anyone is interested in a mini board I hope to have some time soon to make and finish
making a few, again at £10 each.   And remember like other mini boards they rely on a USB->serial
breakout.  I also plan some more documentation.

__Mark T