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Sounds like your project might be a good fit for one of my devices,
if your project can wait a month or two. The Tracker4 and the as-yet
unreleased ADS-SR2 repeater controller share most of their firmware
and will have a lot of overlap. Both have support for Modbus RTU
over RS-485, and the hardware support for 1-wire sensors is there
but not implemented yet. They have a Basic scripting system to
simplify telemetry setup, so you can use arbitrary sensors and do
any conversion math you might need.<br>
<br>
They also have network support and can be configured and monitored
remotely if you have network access at the site, and EchoLink
support is largely working.<br>
<br>
QST came out with a favorable review of the Tracker4 about a year
ago and we were just starting to catch up with the surge in demand
when the coronavirus hit, which screwed up the supply chain and
decimated our non-ham product sales and we're just starting to put
the pieces back together. Trying to keep up with production on a
skeleton crew using our tiny in-house pick-and-place setup has been
killing productivity but this week I'm getting the big stuff
outsourced to a contract manufacturer in Texas so I can finally get
back to writing code.<br>
<br>
Scott<br>
N1VG<br>
<br>
<div class="moz-cite-prefix">On 9/6/2020 8:19 PM, David Andrzejewski
via aprssig wrote:<br>
</div>
<blockquote type="cite"
cite="mid:23064ec8ac5067be9f04f1f23f107cd3@davidandrzejewski.com">
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<div data-html-editor-font-wrapper="true" style="font-family:
arial, sans-serif; font-size: 13px;">I would want to know:<br>
<br>
* Battery voltage and charge status. Bonus: Battery voltage
under load.<br>
* Solar info (whatever that might be, I don't know a lot about
solar)<br>
* Output power and SWR.<br>
<br>
Of course, all the stuff to do this and make the measurements
consumes even more power!<br>
<br>
There is a telemetry spec in APRS, and if I recall correctly,
you send one packet that defines what the telemetry fields mean,
and then another with the actual telemetry data.<br>
<br>
- Dave/ad8g<br>
<br>
September 6, 2020 11:17 PM, "Michael Pittaro" <<a
target="_blank" tabindex="-1"
href="mailto:mikeyp@lhrc.com?to=%22Michael%20Pittaro%22%20<mikeyp@lhrc.com>"
moz-do-not-send="true">mikeyp@lhrc.com</a>> wrote:<br>
<blockquote>
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<div style="font-size: small">I've taken on an analog
repeater project. Since the repeater will be off-grid
and somewhat remote, I think it might be a good idea
to monitor telemetry over packet or APRS.</div>
<div style="font-size: small">What sort of hardware /
software combinations are typically used for this type
of setup? Mostly, I"m interested in environmentals and
things like battery status / charge status, and
possibly repeater activity.</div>
<div style="font-size: small">I'm pretty sure I can
figure it all out, but hoping there might be some
established patterns I can copy. Hardware and software
skills aren't an issue, and I'm assuming there will be
custom interfacing, but I really don't want to build
it all from scratch unless necessary.</div>
<div style="font-size: small">I'll summarize any
responses.</div>
<div style="font-size: small">Thanks,</div>
<div style="font-size: small">mike, kj6vcp</div>
</div>
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<br>
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