Philippe started this thread several years ago, and I discovered it a
couple of years after that.  Philippe sent me a bare PCB, but sourcing
and soldering the surface-mount components was just too much of a task
for me.  So then he had some fully populated PCBs made and he sent me
one to test.  Yet again I let him down - he provided a 3D-printable box,
but my printer was (still is) in need of fettling and I could never get
a good print, so the PCB lay unused for a year or two.

Fast forward a couple of years and I know a bit more about how to get
better prints from my 3D printer.  I've also had a lot more practice
with AutoCAD, which has allowed me to tweak Philippe's original box to
make it print better on my printer (rounded corners!), and to
incorporate a couple of specific features that suit my own purposes.

So now, finally, I'm up and running with this little marvel.  It works
beautifully.  It sits in the recess at the back of the Boom, and
provides a pass-through for the DC supply, which also keeps a 3x18650
cell pack charged, so that when the DC supply is removed the battery
pack takes over.

I have a couple of Booms that will benefit from this: The first one
lives in the kitchen where I use wired ethernet (the reason for one of
the tweaks to Philippe's box design), which I can now take out into the
back garden.  The second is one that I use in my camper van, where the
12V DC requirement is perfect.  I used to use a 12V extension cable, but
now I can use it completely without wires.

[image:
http://www.cjh.me.uk/MyPhotobucket/cache/DIYHifi/Boom/BoomBox%20with%20ethernet%202_480.jpg]

[image:
http://www.cjh.me.uk/MyPhotobucket/cache/DIYHifi/Boom/BoomBatteryBoxwired_480.jpg]

[image:
http://www.cjh.me.uk/MyPhotobucket/cche/DIYHifi/Boom/BoomBox%20with%20ethernet%201_480.jpg]


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chill's Profile: http://forums.slimdevices.com/member.php?userid=10839
View this thread: http://forums.slimdevices.com/showthread.php?t=101853

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