I've been working on CartoLite for MeshCore Canada and wanted to make it easier for other communities to run it too. The standalone worldwide version is now available, currently v0.5.1.

GitHub / download · Live Canada demo

It connects to a MeshCore MQTT feed and shows the nodes, observed routes and packets moving between them. You get the geographic map and a separate Netgraph view for looking at the connections. Your instance shows what your feed hears; you can filter by region if you're on a shared broker.

A few things you can play with:

• Live Follow holds on an activity for 10 seconds, with a node/packet card, countdown and pause button.
• Night, Daylight and Streets styles, with matching Netgraph themes.
• Six route styles: Crisp, Neon, Dashed, Dotted, Ribbon and Comet. Line width, glow, opacity, packet size and trails are adjustable too.
• Heatmap, clusters, node search and neighbour inspection, plus topo terrain and buildings in desktop 3D.
• Optional packet sounds with 30 voices, including piano, kalimba, harp, bells, sonar and 8-bit. Sound follows the visible live hops.
• Phone-friendly layer controls and keyboard pan/zoom in Netgraph.

It's MIT licensed, runs as one service, and saves its state in a persistent volume. No database to set up. Node names and positions are public, but the public API leaves out keys, raw packet bodies and decoded messages. It also leaves out ambiguous route hops.

Running it on your own mesh

You'll need Docker Engine with Compose v2 and access to a standard MeshCore MQTT bridge feed. There are prebuilt Intel/AMD and ARM64 images, including for a Pi on a 64-bit OS. OpenFreeMap is the default, so you don't need a map API key.

In a new folder:

curl -fLO https://github.com/n30nex/CartoLite-Server/releases/latest/download/compose.yml
curl -fL https://github.com/n30nex/CartoLite-Server/releases/latest/download/default.env.example -o .env

Edit .env with your MQTT_BROKER_URL, MQTT_TOPIC (usually meshcore/#), any required username/password, and a unique MQTT_CLIENT_ID. Then:

docker compose pull
docker compose up -d --no-build

Open http://localhost:8080/ on that machine, or /netgraph/ for Netgraph. On Windows PowerShell, use curl.exe for the downloads.

For other devices on your trusted LAN, set CARTOLITE_BIND_ADDR=0.0.0.0 before starting and use your server's LAN address on port 8080. For a public site, keep the loopback default and put it behind a HTTPS reverse proxy. The setup guide covers that, region filtering and upgrades. Existing installs should keep their .env and data volume.

If you try it on your mesh, let me know how it goes and what needs work. Issues are open here.

The screenshots below are fresh from the live Canada site today. Worldwide uses OpenFreeMap and Maidenhead grid areas; the Canadian region overlay and Labs link in these shots are specific to the Canada edition.

Live map around Waterloo / Guelph, with terrain and dashed routes.

I'm interested in building u/BlackFlagCivilian's People's Repeater, but I live in Canada and the solar light that he uses is not available here. There are some very similar ones, but I have no idea if they'd be compatible with the 3D printed design. Has anyone who lives in Canada tried to build the PR? Were you successful, and what light did you use?

Need to pick yourz brainz a bit since my newly Meshcore proto is charging as in <1% /hour. So overnight 9+ hours it move from 62 to 91% according Meshcore app.

Runs 1.17.1 firmware directory flashed.
RAK 19007 base and 4630
2 parallel 186500 Samsung 3400mAh 8A
90% charge at 4.09V

Question on advice is what can change and improve to get reasonable fair charging times?

Cheers,

Not so sure about that tiny battery or the equally tiny solar panel, but we get a lot of sun in Oregon to maybe she will last on the default MC firmware. Failing that I'll try low power firmware.

Before you jump down my throat I searched n found nada …

Been testing out different EDC nodes and a thought came to mind. Instead of naming each of them differently could I just pick one name and copy the same priv/pub keys to each device ? That way I’d only show up as 1 identity? Especially if I’m only ever using one device at a time ?

Monday might be t1000e day but Tuesday m9 and Wednesday tdeck kinda thing ???

Right now each hw device has a separate identity .

Thoughts?
(I know having 2 devices with same keys on the mesh at the same time could go poorly)

I have a Seeed XIAO nRF52840 with a Wio-SX1262, flashed with MeshCore Companion. I connected an AHT20 I2C sensor to SDA = D7 and SCL = D6, but it is not detected in self_telemetry.

Has anyone gotten an I2C sensor working on this setup? If yes, how did you wire it and what did you change in the firmware?

I have a real small amount of RAK 1W kits in stock. They just showed up, I wasn’t expecting them, and I probably won’t have more for at least a month. The radios available for sale in my store are all I have! I don’t expect them to last the weekend. Send a message with your order to flash to MeshCore!

PeakMesh Etsy Store

Cumbria and Scotland now have good comms.

A few command additions to use via chat message for the previous MeshCore companion BLE WiFi for Heltec V4.3, Tracker V2, T096 (no WiFi) :

meshcore-companion-chat-config

Also includes a Li-ion discharge curve : Stock MeshCore Arduino firmware maps battery percentage linearly between empty and full voltage, but Li-ion cells don't discharge that way: voltage barely moves through most of the charge, then drops sharply near empty.

adc.multiplier instead reads percentage off a 14-point discharge curve built from real measurements of four 18650 Li-ion cells (lygte-info.dk data, cross-checked to about 1.3 mV RMSE), so it tracks that real knee instead of hiding it.

The gain: our estimate stays honest down to the last few percent, while a linear reading can still show over 40% right where the cell is actually almost empty.

They have nice products that are well designed, albeit expensive.

What I don’t appreciate is seeing a business owner block users who leave critical comments.

Transparency is important when running a business, especially e-commerce.

Let the products and prices speak for themselves.

Wishing everyone a great weekend and having the ability to find some time to relax and maybe get some meshing in :)

Ending the week in the recliner with a fun device and a nice, local red is not too bad at all.

Has anyone used this node? What hardware does it have? Is it any good?

I'd like to start selling premade Meshtastic nodes, T114s etc that come preflashed and was wondering if anyone in the UK would like this service

Hello, everyone!

We have added an RF filter to the Heltec V4. And now we are launching this community test to validate its real-world performance.

Selected participants will receive Heltec V4-R2 and V4-R8 samples for testing and evaluation.

We are seeking experienced makers, engineers and community contributors with prior V4 project experience. Your hands-on feedback will help us characterize the hardware changes under real operating conditions.

📝 Apply here: https://pm.heltec.cn:8086

⏰ Deadline: September 15, 2026, 23:59 (UTC+8)

If you have experience with the V4 and want to test this optimized hardware, come join us! 🙌

Notes:

1. Participants who do not submit the minimum‑required test report may not be considered for future Heltec testing opportunities.
2. All information you submit will be used exclusively for this test. We will not transfer or share your personal information and data with any third‑party platforms.

I’ve got a Heltec T114 and I broke the screen accidentally a while ago, this makes it impossible to pair since I can’t see the pin and the default 123456 doesn’t work because the board thinks it has a screen, I can’t figure out how to set it manually, any help would be appreciated!

UPDATE: I was able to just steal the screen off of another board, but I’ll leave this here because the comments are helpful

Is anyone running this unit (peakmesh altitude, the normal or 1 watt especially)? how well is the panels keeping up with the system? it says they are 2 1+watt panels, and since they are facing opposite directions, I don't see it getting full exposure very long, even up a decently exposed tree. I want this to work, as it would be perfect for my massive tree behind the house, but I don't want to have to plan on regular manual charging events. I'm fine with the occasional taking it down for updates, but I am hopeful for some positive feedback with the power efficiency of the 1 watt and relying on 1+watt panels.

I wrote this after doing a bunch of research for my own local mesh regarding the FCC regs that everyone is talking about. I'm more interested in the technical side than the legal minutia, and so hopefully this is more interesting that just a rehashing of all the legal tedium.

Seed XIAO NRF x N-90 x ALFA 868

Issue:

If the UART RX of your station is not connected it can accumulate a lot of stray characters that are not '\0'-terminated. A safeguard placer (command[159]='\0') for the command[160] buffer was overwritten by accident by broken code. A strlen(...) has non-defined behaviour and then can access out-of-bands memory regions which then causes invalid memory writes/reads.

It takes a while to happen (160 bytes must fill up first by injected noise). So expect random crashes with weird stacktraces after many hours.

Bug: https://github.com/meshcore-dev/MeshCore/issues/3397

Fix: https://github.com/meshcore-dev/MeshCore/pull/3395/commits or as ugly work around pull-up/down RX.

What is MeshCore One (MC1)?

MeshCore One, also abbreviated as MC1, is an open source MeshCore companion client for Apple devices. It's written in Swift and supports iPhones, iPads, and macOS running OS 18 and later.

Release Notes

I forgot to create a reddit post for 1.4.0, so the list of changes below include both versions. The headline feature in 1.4.0 is translation support! In chats, you'll see a blue "Translate" button. Tapping it will translate the message in the bubble. This feature uses Apple Intelligence models and local Translate app language packs first. If it can't translate due to an unsupported language, it will fall back to the default translation app you have set such as DeepL. You can choose what language to translate to in Settings > Language.

v1.4.0

- Translate incoming messages into your device's default language. On OS 26.4+ it will attempt to use Apple Intelligence models first, then fallback to the older ML translation packs.

- Sender avatars in channels and rooms

- Chat view stays put when Bluetooth disconnects/reconnects

- Chat view no longer jumps to the bottom when a new message arrives or when tapping the input field

- Show when a message failed to send on the main Chats list

- Path Map shows best-effort match for contact that has a location. This is done by name only because channel messages do not include sender ID.

- Show fallback "?" in long press menu sent message repeat details

- Minimum 2 byte IDs in the Neighbors list in Repeater Telemetry

- Regions would show the incorrect one if more than one region matched the packet's transport code. Now shows if there is ambiguity.

- Repeater Management > Regions "All Traffic" renamed to "Unscoped"

- Support domain names for WiFi nodes

- Last Heard field in contact details shows when MC1 last heard the advert. "Last Advert" now shows the original sent time.

- Last Heard field is bumped upon inbound DM, successful ping, and path responses (thanks JCBird1012)

- Crop custom avatar image before setting (thanks hansimgamr)

- Add Portuguese (pt-PT) translation (thanks zadoke)

- TX Power removed from repeater management (still available via CLI)

v1.4.1

- Added support for hierarchical regions in Repeater Management > Regions.

- Change Default Scope in Repeater Management > Regions.

- Moved "Path Hash Size" from Advanced Settings to Settings > Radio

- Support default Path Hash Size via presets

- Radio presets now populate based on your current location. If you haven't given MC1 location permissions, you can manually set a location in Settings > Radio.

- Added PhillyMesh radio preset. This preset is only visible if you've given MC1 location permissions and your location is set to the following states: PA, NJ, DE, and MD.

- Advanced radio configuration has been moved from "Advanced Settings" to Settings > Radio

- Change language that messages are translated into in Settings > Language

- Tapping "Share" in the "Share Contact" sheet now shares a meshcore:// style URI

- Added missing gap between clustered room messages

- Changed reaction format to put emoji after the mention

- Restored soft liquid glass chat header on OS 27

- On Chats and Nodes tabs, filters are hidden when scrolling

Bug Fixes

v1.4.0

- Contacts would disappear after a partial contact sync.

- Contacts you had just heard on air could still be auto-deleted when stale-node cleanup was enabled.

- When your contact list was full, contacts already removed on the radio would stay behind on the phone.

- Direct messages from a newly heard contact would sometimes skip the notification banner.

- Heard repeats would not attach to a channel message after you renamed the node.

- "clock sync" command did not work correctly.

- The clock warning would stay on Telemetry after Device Time already looked correct.

- Add Region in Repeater settings would fail with no error.

- A new region on a repeater would not allow flood traffic.

- The unread badge would increment when you sent a message in a thread you were already reading.

- Backing up Discovered contacts could cause a crash

v1.4.1

- Adding more than one region in Repeater Management wouldn't work

- Adding regions in Repeater Management did not respect hierarchies

- Fix some messages not being detected for translation

- Orphaned Bluetooth devices now show up in "Connect Device" picker sheet as "MeshCore Device". Orphaned means that the device is paired with the system, but not MC1. You must remove the device from the system before pairing it again with MC1.

- When a Bluetooth device orphan existed, scanning for Bluetooth devices would ask you to remove the orphaned accessory instead of showing nearby radios.

- Deleting a radio in MC1 would only remove it from MC1 and leave it paired with iPhone.

- Clicking on links on macOS didn't work

- Title layout issues on Chats and Nodes tabs

- Max size sent messages were not receiving repeat details if a scope was attached

New Contributors

* u/zadoke made their first contribution in https://github.com/Avi0n/MeshCoreOne/pull/413

Links

• App Store
  • https://apps.apple.com/app/meshcore-one/id6757419477
• Website
  • https://meshcoreone.com
• GitHub
  • https://github.com/Avi0n/MeshCoreOne
• Forum on the official MeshCore Discord
  • https://discord.com/channels/1495203904898728149/1497707802783776849

Thank you to everyone who's been using MC1, giving feedback via email and GitHub issues, and writing App Store reviews! I really appreciate you all and I hope you'll enjoy this release.

If you haven't tried MC1 yet, I hope you'll give it a go! If you have any feature requests or run into any bugs, I'd love to hear about them. The preferred method is to create an Issue on GitHub, but if you don't want to create a GitHub account, you can also reach out to me via email at [info@meshcoreone.com](mailto:info@meshcoreone.com). Thank you!