[NTLK] Designing an Internal WiFi Board for MP2x00

Tony Morrow gizmo1482 at gmail.com
Mon Feb 2 17:36:55 EST 2015


Really cool project. I hope the printed boards work for you. I'm curious,
how do you tell the WiFi module what wireless network to connect to when
powered on?

-Tony Morrow
On Feb 2, 2015 5:13 PM, "Jake Bordens" <jake at allaboutjake.com> wrote:

>
> So I've been slowly working towards a PCB design for an internal wifi
> board.  Again, the WiReach wifi module has a PPP server on board so that
> Newton Internet Enabler can "dial up" to a wifi modern wifi network with
> modern encryption settings.  Max speed seems to be 119200 baud.
>
> I am not a hardware engineer (but I know just enough to be dangerous) so I
> posted my current thoughts at the following URL:
>
> http://retronewton.blogspot.com/2015/02/i-have-been-triangulating-on-final-
> pcb.html
>
> If there are any EE's in on the list that would care to set me straight
> and tell me how horrible this is, it would be appreciated.  In all, the
> board is pretty simple, a 3.3v regulator to power the module off the
> battery leads, the module itself, some decoupling, and some connections to
> the Serial3.  Not really complicated.
>
> Also if anyone has any "real" measurements for the PCB mount points and
> connector placement, I'd be interested.  My current design is 6 iterations
> of trial and error.
>
> The next challenge will be finding a good antenna solution.  I have a
> bunch of antennas on order and I intend to try out some ideas.
>
> Thanks for any input.
>
> Jake
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