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<p>Poe</p>
<div style="text-indent: -1em; padding-left: 1em;">Once upon a
midnight dreary, while I pondered, weak and weary,<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;"> Over many a
quaint and curious volume of forgotten lore—<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;"> While I
nodded, nearly napping, suddenly there came a tapping,<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;"> As of some one
gently rapping, rapping at my chamber door.<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;"> “’Tis some
visitor,” I muttered, “tapping at my chamber door—<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;"> Only
this and nothing more.”</div>
<div style="text-indent: -1em; padding-left: 1em;"><br>
</div>
<div style="text-indent: -1em; padding-left: 1em;">Well no I mean
POE, like Power Over Ethernet, but I like the poem too.</div>
<div style="text-indent: -1em; padding-left: 1em;">I want to use POE
for some of my Raspberry Pi machines.</div>
<div style="text-indent: -1em; padding-left: 1em;">There is a hat
for $20 that works with the 3B+'s POE pins, which break out the
rj45 to the board as pins.<br>
</div>
<div style="text-indent: -1em; padding-left: 1em;">There is a $8
module which can use those same pins and give you 5V which you use
jumpers to power the Pi.</div>
<div style="text-indent: -1em; padding-left: 1em;">There are active
splitters providing 5V which go for $9 and you feed the Pi via
USB.</div>
<div style="text-indent: -1em; padding-left: 1em;">The cheapest POE
active devices provide 12V and are used with IP cameras. They can
be had for $3. I have some boards that will step the 12v to 5v.
This might help with isolation.</div>
<div style="text-indent: -1em; padding-left: 1em;"><br>
</div>
<div style="text-indent: -1em; padding-left: 1em;">So what have
people been using for POE?</div>
<div style="text-indent: -1em; padding-left: 1em;"><br>
</div>
<div style="text-indent: -1em; padding-left: 1em;">I guess POW
(Power Over Wireless) would be hard to implement, nevermore,
nevermore...<br>
</div>
<p><br>
</p>
<p><br>
</p>
<div class="moz-signature">-- <br>
<img src="cid:part1.578C5253.DC17E69F@comcast.net" border="0"></div>
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