20 May 2023 |
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26 May 2023 |
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28 May 2023 |
| s1lver changed their display name from Figvam to s1lver. | 23:35:20 |
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19 Jun 2023 |
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11 Jul 2023 |
| deknos82 joined the room. | 06:19:10 |
deknos82 | Hi, i have a house down the road (less than a kilometer, but a few houses in between) which is a hackerspace, with really bad and spotty internet connection. but i need to have some signalling here. and as the signalling can be very lightweight i thought of using lorawan. are there usb dongles i can use, so i can send and receive over them? can be even a bit less than a 56k modem, as long as it is stable and latency is not within the minutes-ranges. any idea or suggestions? also for hardware? | 06:21:48 |
Mark | In reply to @deknos82:matrix.org Hi, i have a house down the road (less than a kilometer, but a few houses in between) which is a hackerspace, with really bad and spotty internet connection. but i need to have some signalling here. and as the signalling can be very lightweight i thought of using lorawan. are there usb dongles i can use, so i can send and receive over them? can be even a bit less than a 56k modem, as long as it is stable and latency is not within the minutes-ranges. any idea or suggestions? also for hardware? Depending on what you want to do, it might be worth using Reticulum over LoRa (supports many different boards via the RNode Firmware).
https://reticulum.network | 08:21:52 |
Mark | There's even a great remote shell program for Reticulum, that works well over LoRa, all the way down to ~700 bits per second: https://github.com/acehoss/rnsh | 08:23:24 |
Mark | LoRa firmware info: https://github.com/markqvist/RNode_Firmware | 08:27:52 |
deknos82 | are there lists for availalbe hardware with that? | 10:54:00 |
26 Aug 2023 |
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12 Sep 2023 |
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11 Oct 2023 |
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24 Oct 2023 |
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31 Oct 2023 |
| stormbringerxxx joined the room. | 03:24:17 |
stormbringerxxx | I just bought a child's experimental kit from an overstock store. It basically Lora with the ability to program it in python | 04:44:44 |
stormbringerxxx | Is LoRa good for a hurricane prone area | 04:45:18 |
Mark | stormbringerxxx: If you want run off-grid / no-grid / emergency comms over LoRa, you should check out the #reticulum:matrix.org channel. Lots of people over there that can help you getting started. | 09:08:50 |
Mark | LoRa can be very useful in emergency situations, but you need a networking system designed to actually use it. By itself, LoRa is "just" a form of radio modulation, so you need to build something on top of that, that humans can actually use :) | 09:11:04 |
stormbringerxxx | Meshtastic? | 10:36:05 |
19 Nov 2023 |
Mark | No, meshtastic is not very useful in real world and everyday use.
Since it doesn't have proper encryption, no actual routing, no functional interoperability and global adressing, and is very inefficient with bandwidth, I'd consider it mostly a toy.
Meshtastic is fun for messing around with, but definitely not something you want to build actual emergency comms on. | 11:54:44 |
3 Jan 2024 |
hobojet | AES 256 isn't proper encryption? | 13:26:16 |
deknos82 | aes itself is proper encryption, but if you use it the wrong way it's not secure | 13:43:25 |
deknos82 | look up DES EBC penguin | 13:43:38 |
deknos82 | * look up DES ECB penguin | 13:43:45 |
Mark | Look here hobojet, I'm gonna encrypt this message with a user-defined, symmetric AES-256 key, and then hand around the key to anyone who wants it. In fact, I will make sure that everyone that wants to communicate with me will all use the same key, also for communicating with each other.
Is that proper encryption? Absolutely not.
If you can guess why, congrats, you've passed the first test in crypto systems design, and you are now at least one step ahead of meshtastic. | 13:57:52 |
25 Mar 2024 |
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