anelok: layout update(s)

Ron K. Jeffries rjeffries at gmail.com
Wed Oct 2 14:43:32 EDT 2013


Lanyard feature: priceless.
On Oct 2, 2013 11:36 AM, "Werner Almesberger" <werner at almesberger.net>
wrote:

> By the way, I've been updating the layout. Most of the changes are
> relatively minor, shortening some traces, improving clearance, and
> such.
>
> Today, I made two more significant changes to the mechanical
> properties:
>
> 1) rounded the corners on the antenna side (3.2 mm radius at the
>    PCB edge)
>
> 2) added a hole for an optional lanyard or similar. The hole in
>    the PCB is 4.4 mm x 5.4 mm, which means that a channel with an
>    outer size of 4 x 5 mm could pass from the shell through the
>    PCB, yielding an inner opening of 2 x 3 mm (with 1 mm walls).
>
>    The lanyard channel could also pass outside the PCB, but I
>    kinda like the idea of it holding all the pieces together.
>
> I currently estimate the overall thickness of the device at 10.4
> mm, so - while not extremely thin - it would still have the kind
> of thickness of things people hang around their neck.
>
> - Werner
>
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