▲ 17 r/meshtastic
Automated message etiquette
So I'm planning on hooking up my node to my personal weather station to send severe weather alerts, and probably lightning within around 5 miles, and post storm totals highs/lows(max wind, rainfall total, strike count, duration) 30min or so after an event... Things like that all set to 1 or 2 hope so it stays local for the most part. Would that be bad form to do over long fast or would it be better to set a private channel and use an automated welcome message or something to share that channel info ? Current mesh here has very little text messages on LF and 95% of traffic is just telemetry, mode info, position packets. I suppose others could mute or ignore.
I'm hoping to do a hybrid approach if I can make that happen with some vibing, severe NWS alerts on LF everything else on a separate channel?
Thoughts? I have seen other nodes do similar things but not sure the best way to set it up to not be annoying
u/KLAM3R0N — 15 days ago
▲ 1 r/meshtastic
2.8 all mqqt nodes 0 srn
With 2.8 firmware both the first one and the latest dev branch, it looks like all the node info I get that is routed through mqqt (I'm not using mqqt but node info rebroadcast from other nodes that I pick up) comes through as a 0 snr 0 rssi direct connection node. Can't filter out to only actual direct connection nodes in the list because almost all say they are.
There looks to be old issues in GitHub for this and maybe a recent change broke the fix? Anyone else seeing similar behavior? Not 100% sure it's just me or I should report this bug? I'm not sure because I'm running customized firmware to log bmm150 magnetometer data as an environmental telemetry value. If it's just me then I'll spend time figuring out what I broke, but 2.7 did not have this issue.
u/KLAM3R0N — 27 days ago
▲ 136 r/vizsla
Just some silly pics of Persephone running around the yard
Just sharing some goofy mid stride pics of Seph being a goof and chasing birds around the yard to brighten your day.
u/KLAM3R0N — 29 days ago
▲ 50 r/vizsla
What a drag....
Any other Vs out there love to be dragged around by their toys? 🤣 Persephone has done this since she was a puppy. Such a goof
u/KLAM3R0N — 1 month ago
▲ 33 r/meshtastic
Sharing some progress on a clean 5v low EMI source for my solar node.
(Pay no mind to my messy bench and janky temporary wiring )
So backstory, been building and rebuilding my rak 1w node, (powered through the ex5v)over the past few months, trying different things to get acceptable performance out of it. Learning and acquiring more tools to troubleshoot as I go.
I'm working on hard mode to start, doing an uncommon thing and using 12v AMG lead acid as my battery because of the extreme temperature swings we have here 105+ summer -40f winter days.
Things I have learned
Buck or buck/boost converters switching frequency can cause crazy amounts of EMI and make your node def especially if it uses an LNA.
Buck or buck/boost voltage output ripple can degrade the tx signal as well. It's not a "clean" 5v output.
Shielding and filtering EMI is hard, small gaps and ground loops can make things extremely hard. You can filter and block only so much.
The internal 5v boost on the 13302 though ok/good enough but is still not ideal.
The fix
I realized the cheap amazon buck converter I was using sucked for RF it had a 2.4mhz switching speed and harmonics of that were causing my noise floor at 908 to go up by 10 to 15 db.
Instead of fighting to shield and filter, just use a buck that's less noisy to begin with... Duh.
New seedstudio buck from mouser with a 1.5 mhz switching speed shows almost 0 emi at 908. Measured with an SDR
In addition this buck has adjustable output so I set it to 5.6v and used a ti LDO evaluation board to essentially cut the last .6v off leaving me with an extremely clean 5v output with minimal loss to heat.
Pic 1 is buck output ripple on my cheapo scope and pic 2 is after it's gone through the LDO to give a clean 5v.
I have not yet fully assembled and tested the new components yet to get a real life performance comparison but I am very confident this will resolve this source of my noise floor, and maybe make my tx more reliable as well. The mppt as far as I can tell with my SDR is not causing any significant in band noise.
Can this LDO rated at 1A handle the transient current draw of the 1w during tx ? In theory yes it should but that is still a little bit of an unknown untill I try it.
I'm just happy that I got this combo working and putting out a nice 5v lol was very worried it was not going to work how I hoped.
Anyway I hope this helps some of you out there building, learning, and trying new things.
Have fun out there.
Edit correct links
u/KLAM3R0N — 2 months ago
▲ 72 r/meshtastic
Some things I learned about snap on chokes
TLDR: Only mix 61 NiZn cores will block noise in the 900mhz band.
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This mainly applies to those using separate solar chargers or other electronics with their nodes.
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So I have been digging into different in band interference sources that have been wrecking my RX abilities, and ways to mitigate it. I am using a separate MPPT and buck converter to power my node and manage solar charging. These electronics will often create noise basically from the pulses due to how they operate. The wires that connect them to the node and battery and solar panel become transmitters/antenna of in band noise, raising the noise floor and drown out weak signals.
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Chokes are a cheap and easy way to reduce this, they basically turn rf emitted from the wires into (a small amount of) heat. The kicker is that not all chokes are the same. The ferrite material is made in different mixes and that determines what frequency it can absorb and convert to heat. Using standard mix31 cores that come in most kits do not work with higher frequency noise. You have to use mix 61 cores which are a little harder to find but plenty are out there(even a few on Amazon from Fair-Rite, all others I have seen on Amazon are 31 or 43, search "Fair-Rite").
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I put one on each power rail and my rx improved greatly. From -19 to -12 snr . These can be used on the antenna pigtail or coax as well.
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I am also moving these electronics to a separate aluminum enclosure to shield it more and using shielded alarm wire to connect everything, and using the cores as I rebuild. Might be a bit overkill but nodes with amps are especially sensitive to in band noise and it makes a huge difference.
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You can use an RTL-SDR to watch the noise floor as you move it closer to your node if you want to see what your node electronics are doing. A cavity or other filter will not filter out in band noise so that won't really help in this situation.
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If I got anything wrong here or missed any important details please let me know. I enjoy learning about all this.
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u/KLAM3R0N — 2 months ago
▲ 230 r/vizsla
Dad! There's birds!
Persephone looking pretty doing bird dog things
u/KLAM3R0N — 3 months ago
▲ 39 r/vizsla
Flirt pole
She has been waiting all winter for some good flirt pole action.! All worn out and down for a nap now!
u/KLAM3R0N — 3 months ago
▲ 11 r/holofractal
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I’ve been playing with a thought experiment where time behaves like a fluid moving through an irregular pipe, and our experiences change its viscosity, the shape of the pipe, the obstructions, and the currents. It led me to a broader idea: maybe time isn’t just a neutral dimension or a simple measurement, but something more structural that emerges from a deeper fractal layer of information. In that picture, the present is like a surface forming as an informational fabric expands or gets pulled into an empty future‑void. Our clocks measure that expansion from the inside, but consciousness might sit on the boundary instead of sharing the same reference frame. That could explain why time sometimes races, sometimes drags, and why whole years can disappear while a few minutes of boredom feel endless.
The problem is that a traditional clock can’t tell us whether this is just a cognitive illusion or whether our internal experience of time actually has its own rhythm. So I’ve been exploring the idea of an Internal Time Oscillator — not a clock, but a device that tries to capture the “density” or “inertia” of lived experience. The basic idea is that when consciousness is rich, novel, or emotionally heavy, the present moment thickens and resists being pulled forward. When life is repetitive or automatic, the present thins out and slips ahead quickly. If that’s true, then subjective time might be tied to the complexity or variability of our internal state rather than the steady tick of a quartz crystal.
I’m trying to figure out whether there’s any practical way to measure this. Not by tracking stress or relaxation alone — those might play a role, but they’re too crude and often expensive to measure — but by looking for patterns that might correlate with how dense or thin a moment feels. One idea is to analyze micro‑movement variability or behavioral entropy over fixed intervals and compare that to clock time. But there are obvious issues: correlation vs causation, environmental confounds, posture, noise, and the risk of mistaking random fluctuations for something meaningful.
I feel that a simple elegant and functional way exists to do this I'm having a hard time working it out.
I’m not trying to rewrite physics(yes I am! Lol). I’m curious whether the internal passage of time has any measurable signature at all, and whether there’s a better way to approach this than the one I’m thinking about. If anyone has ideas, criticisms, or alternative angles, I’d love to hear them.
Edited and cleaned up by copilot.
u/KLAM3R0N — 4 months ago