Salamander @ Sal @mander.xyz

Posts

392

Comments

539

Joined

4 yr. ago

Moderating

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It took 3 walks to the park due to bugs and unhandled exceptions but it worked!

The python script connects to a node that is left at home. The bot can detect and process a message with the following format:

    
PST
Com: Meshtastic
Sub: Posting via Meshtastic
Bod: Made a python script to create posts via meshtastic messages. If you can see this, the test worked! Posting from the park with no mobile data ^_^


  

It will parse the message and create a post. So, as long as I can reach my home's node I am able to create a post.

Wuhuu! Not yet! I do have a few ideas on how to implement that. Since the size of messages is limited to 200 characters, and since trying to transmit too much data via meshtastic wouldn't be very efficient, I am brainstorming about how to implement notifications and fetching in a somewhat compatible manner.

One approach would be via some interface that displays the minimum amount of data (for example, first few letters of a post's title, community, username). The user would "fetch" specific pieces of data, which then gets stored into the phone's memory and this way one can populate the application with content without overloading the mesh.

It's not something I am too seriously considering actually making, I am just having a bit of fun.

I'm not sure about the laser from the article, but I know that the Extreme Light Infrastructure project has a few pretty strong laser.

The L4 Aton in Romania produces a single, 1.5 kJ, 150 fs pulse every minute - so peak power is 10 PW (1500 / 150E-15), but 1.5 kJ over a full minute is only 25 watts.

ELI also has the 2 PW High Field (HF) Laser laser, in Szeged, Hungary. This one gets the 2 PW with a 10 Hz rep rate, 17 fs pulses.

That's great, thanks for these resources :D

Thanks!

I can tell you it’s not an orchid like the bot thought tho :). (though you already knew that)

It wouldn't be much fun if the bot was always right ;) It is here to give some quick suggestions.

I agree, it does look a lot like a Tillisandia. Could it be Tillandsia yucatana? It looks similar to photo (L):

Figure 2. Illustrations of 12 of the 14 epiphytic bromeliad species found in the precipitation gradient of the Yucatan Peninsula, Mexico. A, Aechmea bracteata; B, Catopsis nutans; C, Tillandsia balbisiana; D, Tillandsia brachycaulos; E, Tillandsia dasyliriifolia; F, Tillandsia elongata var. subimbricata; G, Tillandsia fasciculata; H, Tillandsia recurvata; I, Tillandsia schiedeana; J, Tillandsia streptophylla; K, Tillandsia utriculata; L, Tillandsia yucatana.

From here: https://www.researchgate.net/figure/llustrations-of-12-of-the-14-epiphytic-bromeliad-species-found-in-the-precipitation_fig2_299420322

Ah, that's great, thanks!! If you need any help or decide to step away for any reason whatsoever I am always happy to help, no pressure at all.

Spam and spam bots are usually best handled with the admin because an admin account can ban accounts instance wide and delete all their content at once, so it is more efficient. They are not so common within this instance and they usually target large communities. So, I can help with this if it happens.

Nope, no pain!

Not clear if you are asking because you are curious and want to mod that community, or if you are asking me if I can mod the community 😅 I would prefer if someone else creates it simply because I still have no experience with Reticulum and because it is nice to have some diversity in the mods, but it also wouldn't be a big deal, I can make it if you would like.

Ah! I can see problems happening if you do reach those high densities. If an app change was able to fix it somewhat, then it may have still been some configuration problem. Too many people trying to join the same mesh with sub-optimal settings. But, at some point you might indeed get just too much radio interference from different devices trying to communicate at once. Certainly possible!

I just learned about Reticulum, I still have to give it a try!

Happy to contribute! But, I admit, I should be putting more effort in growing some communities 😅 Thank you for all the effort you put in as well!

Interesting! This rule is new to me. Pretty curious about the ratio for a platform such as lemmy.

3.19K Comments!! You are a super contributor!! You are doing a fantastic job in helping keep lemmy engaging! Certainly not lazy by any metric 😁

I'm not an expert by any means, but from what I have learned so far I can see that there is some logic to how the nodes process and route the messages to avoid congestion, and there are some options that one can make (like selecting specific frequency sub-bands) to make a more private mesh run smoothly.

I suspect that a lot of the issues that you read about are related to mis-configuration.

Examples:

• You are setting up your first meshtastic device and you want to find other people quickly, and so you of course set up your device to downlink messages from the most popular MQTT server and make use of the default settings - like hundreds of other people around the world. This overloads your device because it is downlinking MQTT messages faster than it can process them, and it can become non-responsive.
• You purchase a node and want to contribute to your local mesh, and you are lucky enough to live in an area that already has a dense mesh network. Since you want to contribute, you set up your node and make it a "router", and use a common configuration. But your node is not actually very well positioned, and the "router" type has preference over other nodes. Your node can stop nearby stronger nodes from broadcasting. To make it worse, at some point there were problems because there was a Router Client setting (see: [Feature Request]: Admit Router Client was a mistake) many users did not understand the behavior of the router node and this lead to some meshes running into trouble. So, as the mesh grows, it becomes more likely that you will introduce nodes with sub-optimal configuration into the mesh.

There is possibly some threshold at which a mesh really does grow so large that even if properly configured it may be problematic, but, honestly, I don't know if this has happened. In my area we are certainly not close enough to having a functional mesh, so I have not experienced these limits.

No, not at all! As you grow older, it may not be as automatic as when you are in school. Many of the people that you interact with might be focused on their own stuff (work, partner, family, hobbies, finance) and not too motivated to expand or even have a "social life" in whatever free time they have (if they even do). But this is not everyone. There is still a lot of people at every age that do want a social life, you just need to put in a bit of effort to connect with them.

And, a tip, do not consider failed attempts at socializing as a "failure" on your side. Perceived rejection often boils down to people being very attached to their free time, and socializing not being on their list of priorities. If you keep this in mind then you do not need to feel discomfort from rejection, and you can be active in your search for like-minded people without worry.

I had not heard of Reticulum but I am certainly interested! Seeing as it can run on the same hardware, perhaps I will be able to justify buying all of those boards and antennas after all 😜

Ah, it's very cool that you are making your own music for the videos and sharing them under creative commons!

You are a bit further than me then! So far I just have a few ideas floating through my brain from time to time. Mostly sensor-related stuff. I should start making notes 😄

One idea: I would like to combine the Open Gamma Spectrometer with a Meshtastic device so that one can transmit remotely a gamma spectrum every ~10 minutes.

Even though:

These data are associative and do not establish a causal role for such particles affecting health

I still don't feel so nonchalant about the idea of microplastics lodging on my brain. While the effect on human brains is very difficult to directly measure, we do have a lot of data on mice that suggest that having plastic in the brain is bad for the brain.

When quickly looking into EU food regulations it seems like microplastic content is not regulated in food, and the logic appears to be along the lines that not enough data is available to assess the actual risk. This makes some sense in that measurement, control, and enforcing limits is likely to be difficult, expensive, and might create some economic challenges, and so regulators might not want to go this route unless proven absolutely necessary.

At the same time, data does exist showing that the plastic levels are increasing in our brains, and we have very good reasons to believe that this is not a good thing. It is not that we are completely in the dark - I am sure some smart people would be able to come up with reasonable limits and methods of control by now.

My not-very-informed suspicion is that there is pressure from wealthy and powerful lobbyists that would significantly suffer from microplastics regulations, because 'plastic in the brain' has seemed like an obvious thing to address for some years now.

I have never been educated about how to avoid ingesting / breathing microplastics. Do any of you know some habits or diets that reduce or increase exposure to microplastics?

Nice video and music choice! Do you know what those medium-sized almost spherical creatures that are moving around might be?

Nettle mentioned that you are looking for recommendations on what to put on your descriptions. My recommendation is to add the name and author of the music and the technical specifications of the microscope, lenses, and the equipment used to record. The technical details are useful to others to get an idea of the amount of zoom and also to learn the kind of images that a specific set of tools can produce. If you have some thoughts on what the different microbes observable in the sample might be, it is also nice to include that. No need to worry about getting the identification wrong, just mention what you suspect them to be, and this invites others to help you identify what you are looking at. Or, if you have no guess, you can also ask others to help you identify.

Haha, woah, their call really does sound like a banjo!

Is this your photo? If so, nice find!

That's very cool! What has been your most successful implementation so far?