SECRET UNDERGROUND MESSAGING
ฝัง
- เผยแพร่เมื่อ 20 ธ.ค. 2023
- Lilygo T-Deck (868Mhz for EU, 915Mhz for USA)
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This is a security announcement: If you see a couple of suspicious looking Herberts messing around with strange looking Blackberry messengers on the tube, it's probably just Andy and Lewis
😅😅😅
What the hell is a Herbert?
@@DonzLockz basically a mischievous kid verging on a scrote.
@@DonzLockzin some regions it can be used to mean nonce but most areas it's just a scruffy dodgy person.
@@DonzLockz train spotting Northerners 😂😂😂
These devices have some great potential especially if more and more people get into this sort of thing and setup a mesh around towns. This keyboard version looks pretty cool piece of kit keep up the great work.
If everybody used it, we would have global coverage.
There's lots using already😁
@@andykirby That is fantastic !! Than you for bringing this information..
Enjoyed this video reminded me of early 1990's, me and my mates used to go out on our bike's around Portsmouth and use CB radio handhelds to communicate and test out distances we could send radio messages. Good days.👍🎙️📡📻
You guys really are the next level in radio communication so inspiring,You guys deserve the cult status following that you have earned.Thankyou so much.
🙏🏻🙏🏻🙏🏻
@@andykirby Do people often call you a cult?
@@paulsengupta971 How dare you question our Lord Of The Radios (LOTR for short), praise be to our Meshtastic Messiah @andykirby 🙏
@@TheGrimDark 🙂
I figured this Meshtastic stuff was being part of the Borg. Resistance is futile.
@@paulsengupta971Hope you don’t mine me asking; What are you referring to when saying “Borg”?
You guys in the UK have all the fun! 🙂Thanks for all your great videos, from Arizona, USA
Ive not missed the sound of the northen line.... Christ that took me to some memories 😂 ace equipment Andy, loving this content!
I know, what a racket. Glad I'm not up there often!
The only thing I think would improve these (specific) units, is a history of the conversation so that you can have the functionality of the conversation the same as the mobile ... I know thats difficult with the memory size and processing etc. but it would make a huge difference to their practical use. Great video boys
There is a store and forward functionality in development - you do also get richer experience when using a paired smartphone app
When using with a Bluetooth connected device, conversation history is preserved, as well as confirmation of sent message. The T-Deck devices in this video are still under development.
Storing messages create security issues.
This device should have enough PSRAM to store recent convos. It also has an SD card slot.
That was really good. love when you two play radio. love the spot at the end. nice spot to play radio. 73's from the USA !
Andy and Lewis you are the perfect duo for doing allkind of experiments !
I’m loving these radio videos. Not much Meshcom or Meshtastic in the states yet, but I’m intrigued and will be ordering some soon.
So exciting... Meshtastic dogging up next... Coor blimy.
Good stuff Andy 🤜. Tune is banging 👍
This was a great collaboration both are my favorite from Uk area thank you for the great content
I remember ages ago Cybiko's were released that worked on a similar idea, if enough people had them it would create a massive mesh network, I LOVE the idea of anything like this
Awesome and glad that security didnt pull you in for questioning. 😊
Enjoying your channel. Thanks. Subscribed. Cheers
Awesome testing thank you
Lewis looking genuinely happy - never seen that before, lol! Great job guys, keep up the good work.
What’s that supposed to mean?! 😂😂😂😂😂
Would love to see the same tests with bigger antennae.
Another awesome video Andy and Lewis ❤
Great video guys, Have a grand Christmas.
Cybikos had similar abilities. They allowed propagating messages through a network and also could allow access to the Internet if one was set up as a server. Or CB walkie talkies would work well.
Andy. Antenna orientation, body / hand proximity.
Christmas, yeah !
Cheerz.
Great video! These little devices have plenty of potential.
Awesome! interesting tests!
Awesome content as always
I love this out of the box thinking when it comes down to communications, we all need a way worldwide to communicate with each other through audio, text or video off of "their" infrastructure and system, we need our system.
We've had 2-way radios for many years now, this is a very niche device.
@@eddieelizabethhitler3259 I've been experimenting with television transceiver using analog television frequency
cant wait to get mine, looks so much fun.
I think that the 433Mhz version may reach further distances. I didn't test that, it's just an assumption.
Btw the Lilygo T-deck is a cool device, not too expensive either (lcd, keyboard with trackball, battery ready). I think that I'll get one soon or later 😊
Cheers
Technically it will reach further (can go through walls, etc. easier), but as its used in so many commercial devices then the interference will be higher.
I think a ham club could take 10 of these with high gain antennas an cover a city with good placement. Hope to find out one day.
The networks slow down over 15 nodes or so unfortunately, but it sure is possible
Meshtastic - My latest addiction. 😆
Merry Christmas Andy and Helen hope you have a good one and looking forward to new material in the new year,.
Thanks mate! Happy Christmas!👍🏼
Great times had. I would like to see the delivery report too.
Anyway Merry Christmas to you. 73
Great little test! Reminds me of the Blackberry devices and BBM
Yeah BBM... wow!
nice tune Andy
Looking forward to new devices coming along, be nice to see a rugged two way radio type device on 868mhz or a nice case for these devices that your using, looking forward to setting a repeater up in IO93HP utilising some of my Helium network equipment and antennas......really enjoyed your video Andy/Lewis Best Regards from Wakefield West Yorkshire
Last week, I received 6 of the much cheaper - and smaller - HelTec v3 units that can also run MeshTastic for experimental purposes.
Most MeshTastic units can be paired to a cell-phone which in turn runs an app that can provide delivery notifications. All MeshTastic software is open source, however, the LoRa radio remains proprietary.
At best, a mesh can be up to 80 units in size and provide a total data through-put of about 50kbps. For an underground station, that could be plenty-enough to provide a text data route from the platform to the surface for most users.
Your video is a great demo of what can be achieved - and what should be provided - in an underground railway environment - especially if only for emergency services
Most places in the world have cellphone coverage on their underground systems, the UK is a bit of an oddity in that respect. Even the channel tunnel now has full cell coverage for the entire crossing :)
Enjoyed this 👌
Absolutely awesome.
Made me think about the Motorola Talkabout I had in 2001/2 ~ 2 Way Paging with Mini Keyboard, not much bigger than regular pager
Love the music at the end 👀
Great experiment. now to drop repeaters through the tube
Nice one. I saw these for sale, I wonder, do they also connect to the other meshtastic reveivers?
I just came to say that Imparare is a complete banger! Also, a t-deck is for sure in my future purchases.
73 Andy!
Thanks mate👍🏼👍🏼😁
I just made a video about T-Deck. I'm loving it! Meshtastic is amazing.
Surprised no cell/mobile coverage on a London line. In Australia, NSW we mostly have major city coverage on urban underground lines, via directional antennas. T-Deck is not fully functional yet. Long/Slow channel setting has had minimal testing. 3dBi dipoles antennas would be better perhaps. I'm assuming RX gain boost is on. Nice video. Merry Christmas!
There is a bit, think currently 2/3 of platforms. About half the tube stations are actually above ground so always had service. Currently only 20% of the station platforms actually underground have coverage and this is expanding.
There is EE wifi
“I sent him a dodgy msg.. now I’m just waiting for his to come through…”
😭🤣🤣🤣me w the homies
Hi guys, that was very interesting. The fact that it worked at all was impressive. What units were you using? I think more people would be interested in getting something that just works instead of having to use a phone as the interface and have to set it up. It's OK for us radio ham types, but most people will struggle with it.
It's the Lilygo T-Deck. As you can tell, the firmware still has some work to be done, but the hardware is basically ready-to-go. Just needs a battery for power.
This is awesome! I have tried using the T-Deck "simplex" to a second T-Deck with Meshtastic but I guess I keep getting the settings wrong. Love to know your setup.
Just default settings, see my setup video for meshtastc, it's a couple of videos back.
Reminds me of my Cybico extreme back in the early 2000's
Andy, would you be able to post links to all the bits to make this please?
Is the configuration of the T-Dec via smartphone the same process as used on the Heltec?
NICE
thoes are my next thing to try
And if you stash a few little meshtastic boxes around in various trains and stations you might be able to get a signal thru the entire system. Of course, power and keeping the boxes from being nicked are a challenge.
I feel like stashing mysterious boxes of electronics in public places might be just a tad frowned upon by the police and security services...
@@McsqwMaybe being surrounded by armed officers on his knees is his kink
You two popped on and off the train, like Harry Potter. 😂
So the question is, can you get gps for it ?
I have one on the way from aliexpress, is there more updates coming from Meshtastic?
HI Andy
This is getting very interesting to me here in Belgium.
I've searched for an answer but can't find anyone asking: why dont these units have some kind of back cover? Or am I just stupid...?
The testing and videos are ready good. Thanks
Do i understand that 433 and 863 Mhz are the legal EU frequency units i should buy
Peter in Brussels Belgium
Ordered one a week ago,Bangood..thanks for demmo 73......
There are so many different Technical developments going on, but like many of them, "Solutions" waiting for a "Problem" to solve.
Bit like the 100's of Linux Distros, if only all these Devs had collaborated, on a few variants, Linux could have taken on Windows
Interesting, in Australia we have 3G 4G 5G in all our tunnels. Trains use GSM-R, And emergency services use P25 which is our “PSN” network in NSW
and I believe trains also runs their own P25 or DMR network
6 types of networks in all the tunnels
But the newest lines are driverless but still have GSM-R
The Sydney Metro driverless trains don't use the GSM-R system they have TETRA. Note the Sydney GSM-R uses 1800 Mhz unlike the system in the EU and UK which is on 900 Mhz.
Hi Andy. Could you make a video with the (Tr)uSDX and experiment with different anntenas?
you should build Heltek V3’s or similar into hats (maybe ex. WW2 tin helmets) with antennas on top, then use your phones as terminals, such fun!
intrigued
All these video make me want to try meshtastic. Do they all have Bluetooth to connect to your phone?
Definitely want to get into meshtastic but that firmware would drive me crazy! That bit at the top saying when the message was received would frustrate the hell out of me, because I wouldn't know if the last message really was 29minutes ago, or as was often the case in this video 0m ago, but the timestamp just didn't update 😐
Yeah its early days, it's developing every day.
This is just the T-Deck, if you use the app or another device that's not the case - it's a fast developing project though.
Why couldn't you just post the time sent in the message itself if that's important to you?
@@ClickClack_Bam first, that comment was a month ago, and the firmware has had multiple revisions since then. And second, I've been using meshtastic myself since that comment was posted. Third, I'd likely almost exclusively be using the app rather than the device itself, so what is being shown on the device's screen isn't that important to me and finally fourth, the entire interface is getting a massive upgrade sometime in the future - as the various sneak peek videos show.
Are you going to test hilltop to hilltop?
or hilltop to building?
I know I'm watching some good shit when the amen break is playing in the background.
You're just having too much fun with this Meshtastic stuff.
The Stockholm tube have great reception so we don't actually need this but it is still cool.
Pretty cool! When the message hasn't yet delivered, does your device keep retrying until it's received? Does the other device need to respond with anything for it to know once it's received? (sorry if that's a n00b question, I'm just looking into Meshtastic for the first time now.)
It seems like the answer is a 'no', however, there may be a setting to confirm messages sent.
Thanks @@SteveBerwick :)
If there's no way for the other device to confirm receipt, wouldn't your message just get lost to the void if you were temporarily out of range?
The protocol has delivery reports baked in, they retry if a message fails to deliver, these are the first kind of stand alone devices but The meshtasic app that works with these devices over Bluetooth has many many features.
with the new licence changes maybe hams could set up their own web... like the packet /aprs net of old...
mesh frequency on say 144.850 /750 or and 70cms.. using milliwatts.. etc but with a nodes up high roof top nodes in a town.. maybe something for the future.
theres a messenger mode available for modded Quanshang K5, use them on any of those frequencies
You don't need a license to do this like we were on 868Mhz, anyone can join in the fun.
There are also 433MHz versions of these things.
Hamnet exists already. It has done for yonks. Just do that.
Great stuff. This tech must be driving the spooks at GCHQ potty.
I can see them setting up devices to intercept the messages.
Impressive range for non line of sight!
Some frequencies behave differently in different ways in different locations. For example, UHF is better in built up areas for local communications, VHF better for out in the open. 4m 70MHz is outstanding when it comes to the way signals travel compared to 2m and 70cm! You also find that only certain frequencies work for cave rescue too, or certain frequencies can be heard underground better than others. RF is fascinating to experiment with as you can also try different types of aerials etc.
In a tunnel the signal will bounce around and reflect off the walls. A bit more power would help.
I would love to see one of these devices but with a raspberry pi zero as the main computer, and using t he esp only for radio. would up the price with like $10, but would be so much worth it.
You can do it with a PICO but you need the LoRa radio board (waveshare)
Are you using a super thin case or just holding the battery in back of the naked board ?
What are you two doing so far south?
Have you got visas?
Is that the standard t deck?
Merry Christmas lads
Looks like a new music production device. A Pollyend tracker micro version of the mini. Aha. 😂
So the phone app integrates with all of the other Meshtastic devices that are set up to receive that message right?
Once they offer a more-or-less ready product (with switchable GPS, Telegram/WhatsApp like GUI and Contacts book) and a decent battery, I'm definitely getting one. Otherwise doesn't make sense to have that huge screen.
I can see this becoming a thing in London. Next thing you'll know they'll stigmatise LiliGo users - kinda like cash users, antivaxers, crypto users, etc.
I've long considered spoofing the Wi-Fi they have at the stations on the train with a captive portal that plays Rick asterleys never gonna give you up and maybe some jokes and a chat board to make people smile (or hate me lol)
Try the same Experiment, with 5 watt uhf transcievers. So you can see how far the signal can travel 😉
these are great new toys.. has anybody made over the pond contacts yet?
Excellent trial!
Now, give it 4-5watts of power and encryption!
It is encrypted!
It has ~150db of link budget you don't need a lot of power. 1W at the very most.
That a T deck? I needs me a bucket of them.
Is that Lewis Ringway??
I don't know much about radio/mobile signals, but what is there to stop normal mobiles phones with Bluetooth, WiFi, 5g capabilities, etc. being utilised (hacked?) to work as a peer to peer based mesh network somehow. I guess the ranges might be smaller but everyone has a smartphone with these network capabilities so the mesh network could potentially be a lot more densely populated.
It's possible but bluetooth and wifi was never intended for super long range, fine if you have lots of devices close by you could use Bluetooth LE.
LoRa is better for this purpose though, that's why it works so well.
The antennas could be mounted much more efficient when going for max. range! No handheld radio has its antenna on the side for a reason.
Yes, but still they work, amazing really.
Maybe they could wear bobble hats with the antenna in the bobble.
@@paulsengupta971 As it was Xmas time, they missed a trick to wear Santa hats ;)
Good Lord that other guy is smart as hell that would be someone you would have want on your team
Lewis? Of the RingwayManchester channel?
I never do this. My local security agency can confirm this, as they have never caught me doing this. They are very mad about my apparent lack of transmissions, that is very real and radio silent.
For us above ground people. Can you tell me a bit about the protocol. Is it a network offered by the transit company or something you cooked up? Is it peer to peer, like a walkie talke or must there be some sort of access point?
It's LoRa in peer to peer mode
Neat
Can you do a video of building a meshtastic repeater
All devices repeat, but yes you can put one in a box at the top of a mast with a larger antenna.
Will you be testing things to see if you can send and receive to someone who's not in the Underground?
It’s a shame you can’t see the previous messages as well as delivery status.
You get more range in the tube If you install a better antenna?
It will happen, its early days for this firmware. I actually quite like the way the messages are gone forever anyway.
is that ringway manchester?
Yes.
Pretty cool!
What firmware version is that, 6 dots in the bottom, instead of two, what extra menus are there?
Latest Alpha. Not sure if it's updated in the last few days.
@@andykirby I got my T-deck today and installed the latest Alpha, but knowing little to nothing, when I wrote you, I now figured the number of menu dots depends on how many modules you have switched on in config, and stock you only got the two dots: Messagelist and gps.
Andy, have you thought about device putting on on a drone
Somebody got 6mile range recently doing this!
It does go a lot further.