I’ve had one of these guys sitting around for a while - love the hardware, love the concept, but I haven’t really found a lot of use for it - what are y’all using them for?
Losing your job is never a favour. Would you prefer termination if any issue was found with your work place?
you could be getting attention of all kinds and not even know it.
Just as this meta-voting-post of mine should :)
My comments got more than 200 downvotes and ban in discussion about physics about decade ago, but I nailed the problem. Also, I receive downvotes from Russian imperialists at constant rate just talking about history of Russia and Ukraine, because real history of Russian Federation/Russian Empire is well guarded secret in Russia.
If coercion was going to ever rule the world someone would have accomplished it fully already as many have tried. Yet here we are still free to say nearly whatever the fuck we want in the free world thankfully.
I recently discovered this, which I want to try: https://electroniccats.com/store/flipper-add-on-magspoof/
If that's not the case I really need to do this because having it handle my tv's, ceiling fans, and garage door would be a nice trick.
Not sure which specific garage opener my apartment building has. But the fob controller the leasing office gave out is way too weak, so i have to sometimes press it many many times and wiggle it in multiple ways until it triggers the garage door. With flipper, it works on the first try.
A funny anecdote: after using my flipper for about a year, I encountered another flipper user in my apartment elevator (the elevator requires a keyfob to go to any floor except the ground floor). I talked to him for a bit. Turns out, he manages a bunch of boat storage units here (in Seattle) that all use different keyfobs. So for him, it is just pure convenience to carry a single flipper device as opposed to always having a lot of different physical keyfobs on him, and then shuffling through them in his bag to get the right one.
That said, I knew very little about UART communication or SPI until I started playing with this and an ESP32 device. I also knew very little about bluetooth, RF, and RFID/NFR type stuff until I started exploring the world with this. It's been a fun journey that's rapidly advanced my understanding of quite a few things.
Others have said its overpriced or that you can build your own or whatever, but it's actually just the right price for a cool little educational tool that also works beyond the educational stage. It may even inspire me to build my own advanced version at some point.
If you're already a hardware hacker or EE, this is probably not much more than a toy for you. If you've always wanted to explore some of these topics but had no idea how to start, the Flipper is a good introduction. I immediately flashed it with custom firmware and it was easier than flashing my BIOS.
I was able to copy my work NFC badge, but I'm not really interested in trying it out.
It's handy as a pocket spectrum sniffer, but I don't have much day-to-day use for it outside of that. I'm glad it was given to me because I learned a lot. Potential future use for me might be an amiibo emulator, but I've grown out of those sorts of things.
This is already Western centric, but even here there are a ton of older static and fixed frequency systems still chugging along.
Of these rolling code systems most are not difficult to crack, especially those more than a decade old (and which are still sold today)
Question: how many times would you have to press the button on the remote for it to get so far ahead of what the receiver looks for that the remote no longer works without reprogramming the receiver?
This also means if you manage to clone a remote, you can just abuse humans. If you opened the door with your clone, the next time the original remote sends its package the sequence number will be too low and the controller will ignore it. But what do you do if your remote didn't work? You press it again, this time the sequence number matches and things work as they should.
For cloning you need to reconstruct the initial seed for the PRNG that is used to create the ciphertext based on the sequence number. Based on how little resources these remotes tend to have, more based on cost than battery life etc, and that some vendors design their own crypto, this can actually work. If you know the algorithm and the seed is only 32 bit, you can easily brute force it.
Edit: oh! I used it today to snap pictures with my phone every second for photogrammetry work, that was neat! Wish I had gotten better point clouds out of Gaussian splatting though
They cost $15 and were hugely controversial.
>Digging Deeper::TV-B-Gone Device Shuts Public TVs Down
https://mediashift.org/2006/04/digging-deepertv-b-gone-devic...
This isn’t a thing in other countries, it’s part of American culture.
It's one thing to block ads when they have been loaded into your web browser that is in your room (completely morally and ethically fine). It's a completely different thing to go into someone elses space and start making decisions about what is or isn't running on a tv there.
I like ads as little as you so what I can do is just boycott that restaurant or bar entirely or ask the staff to turn it off. I think it's part of being a well adjusted adult to know what you want or don't want and go about it in a reasonable way (such as asking staff). It's immature though to just do that forcibly.
It is however not my duty to teach you that, so let's leave it at that.
Turning off a TV is also morally and ethically fine. I don’t see the big deal. Nothing is happening “forcibly”, I’m just sending out some IR. Nobody’s hurt or damaged.
Thankfully culture has adjusted some and those conditions aren’t as common as they were.
I'm not competent of interested enough to make full use of them but I get the impression that they still have a lot of use in a large part of the world where simple RF is used to open gates and garages.
And of course you can copy and store RFID but you still have to get your hands on the tags. And that's where it falls down in certain more developed countries because they've mostly moved to RFID.
Couldn’t find a ceiling fan remote one time ( I have 3 with the exact same remote ) and used it to manage fan speeds
Still doesn’t justify the cost but I guess it’s like my leatherman. Hardly use it but handy when I do.
I actually bought it when seeing the pwnagotchi comparison and expected functionality from the wifi/marauder dev boards to be included. Meaning I got my flipper in the first batch for my country but couldn’t get a dev board even months later
* Stingy => security protocols that I agree with in sentiment but unfortunately I need to let my pet sitter in and it's nice to allow them to keep the keys as I travel frequently and key exchanges are less than optimal for my spouse and I
I had perhaps foolishly hoped to at least get a fun universal remote out of it, and it’s somewhat possible yet the software just isn’t there to bring a robust family of device RF and Bluetooth commands together. It’s no harmony remote.
Of course, it wasn't useful to do, but hey it worked!
Had it a few years and the whole Tesla port trick gets old quickly.
The WeWork key-fob uses rolling codes so couldn't use it for that...
One interesting capability that this unlocks is that battery powered, offline readers (think apartment door that uses the same fob as the lobby) can write out things like battery state so that apartment maintenance knows when it's time to swap out batteries.