Nama
Comments
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@McSTUFF @Imbellis thx for the props and taking the time to fill it out and share. Some credit to Cassox as well for originally suggesting someone make a sheet. Eventually it will become more complete and useful when some other magnet types get tested.
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@Cassox that idea sounds the best, just fill the enitre tube with resin. Its easy and gives the strength as well. Just don't power the device until the resin is fully cured.
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Did some looking into things since we talked about this last time. You can weld glass with a laser but not any of the lasers that you usually see. The issue is heat like @Cassox mentioned, and lasers generally make a lot of heat. When you start to get into specialized lasers you can find ones that are pulsed which allows…
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I'd start with dumpster diving outside a research facility.
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You can mod an 3v 8mhz arduino to run on under 5mah of power. 5v at 16mhz can be done under 15mah. They are pretty good power wise but get bulky if adding wifi, bluetooth. An ESP2666 can run under 90mah and has the wifi built in, its nice and compact. You can put it into a deep sleep mode and use under 10mah. You can…
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@Hunter as a solid coating it sounds reasonable to me and I haven't found information saying otherwise yet. Most of the risk is that the resins I found are sold as a powder that needs to be mixed with a liquid. So you have the initial chance of exposure, but thats what suba gear is for. hydroquinone is the one I'm most…
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@Hunter causes microcuts , but not the common brown sand you see on the beach. It's the fine white sand. I have a bag of it for mixing tile grout. When you pour it powder floats into the air. Wiki: "Inhaling finely divided crystalline silica dust can lead to silicosis, bronchitis, or lung cancer, as the dust becomes lodged…
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thx @Cassox I can try to read more about that. It seems also the type of exposure plays a factor, silicon dioxide can be ingested safely but when inhaled can cause lung cancer. It would lead me to think its ok for implantation. butylated hydroxytoluene is speculative so it gets defaulted to Cat3? hydroquinone seems to have…
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I watched some videos about this a couple years ago it was pretty amazing. Not only does it pull water out of the air but it does it at low relative humidity too... somedays I could pull water out of the air with a straw here. When I was watching they wanted to scale it up to provide water to desert areas. The greenhouse…
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Have you seen this already? https://forum.dangerousthings.com/t/xbt-implant-temperature-sensor-via-arduino-rfid/1640 Has Arduino code and link to a scanner.
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@rodanco I mean only the little black microchip with nothing else. So far I've only seen the same as you, so if we wanted to make our own circuits we would have to take apart tags or cards. Also tried looking for capsule antennas but couldn't find the correct type.
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@rodanco it will be a cool project. Maybe open a new thread for it to keep all the ideas together. Have you ever seen just the IC chips for sale, without antennas or pcb?
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@bentpins its nice to see the results, and about your paint :P I'll get the test doc finished and add your data
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@rodanco I just ment that the animal specific encodings used will be a pain for reading/writing. I was looking at a 134.2khz with 'memory' also but couldn't find equipment that said for sure it would write to the memory section. one ring to rule them all? For the ring you prefer the capsules over open coil? Changing the…
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@rodanco those sellers usually have hundreds of products. They make one or two pages then copy and paste for all the other products. Seems like they just didn't care check the info was correct. Could also be false advertising, these tags are for animals and FDX-A, FDX-B,ISO 11784/85 are a big part of that industry. I'd…
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@rodanco yes it has a clear haze to it. I attached another photo sent by my seller. The one on the right has parylene. According to the seller the black part on the bottom of the tags is some sort of adhesive inside the glass to keep the coil together.
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I found this photo which shows the coatings very well. Left is a polypropylene-sheath/cap, center is parylene, right is not coated. There is a small amount of additional information on this page, please be aware that it is a FAQ page from a RFid maker and not a research document so it is subject to bias and marketing:…
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The epoxy would be bonding to the TiN coatings not the actual magnet. When any force is applied it will be pulling the coatings away from the magnet. How well can the coatings cope with this force before flaking?
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@Cassox made some changes, that what you were thinking of? The listed strengths are based off what I read people using in other posts.
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@Cassox how is this document? I modified the existing implant data sheet. If it's ok I'll make a new thread for it. https://docs.google.com/spreadsheets/d/1dI-lIRtO8pztolKHZ2yqdxUDZ0kg6bIjfdNNkxUR50w/edit?usp=sharing
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This photo is from my supplier... They clearly state no lead no toxins so we wait and see if it is true. grounds for a refund at least if it really does test positive
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I found Sodium rhodizonate is a lead indicator
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@Cassox I think this should be it. https://forum.dangerousthings.com/t/tests-weve-performed-on-our-x-series-tags/474 Do you know how that lead test is done? My tags arrived and if possible I could do tests and gather further information. This is the perfect example where the testing justifies the cost. @rodanco this was…
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lab401 is a pentesting/hacking equipment site. that's the kind of thing you'd consider if want to try and crack/clone tougher encryption. But will it prevent tag a from bricking? Can't say myself. If you plan on getting really serious about RFid then you might be able to make use of it and consider it a good investment.…
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Yeah mixed those around, fixed it incase someone else reads later. The $15 scanner I found looks shady but given its format limitations it probably works as it says in its description. That one you found is what my sister would have needed to clone her photocopy card. It can handle simple formats but also encrypted formats…
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HF can be done with an Arduino and a reader/writer module for about $5. Or you can use an app like NFC tools and your phone for free. LF is more complicated, because you have 2 frequencies to choose from and several formats. Do you need an almighty all in one or are you open to whatever? For under $10 you can get a cloner…
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@rodanco was the $60 reader/writer the one that looked exactly like the one discontinued by DT cause it could brick tags? Had the same dilemma when my sister wanted to clone her photocopy card onto a tag. We gave up. Do you want to clone an existing RF tag or just change the id in general? There might be more options if…
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A headset would be nice. One thing to consider is battery life though, running bluetooth will add to the power requirements. I don't like the idea of a big battery because if something goes wrong and a part overheats the bigger the battery the longer its going to burn you for. Implanting a speaker also has issues, the…
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@rodanco I think we have the same opinion and ideas. Sorry if I came off as an obnoxious dick, I often am but didn't intend it this time. If you are interested in testing things then check out the supplier @bentpins linked to. They agreed to do a custom order for me, coating free and only 2 pcs. They for some reason also…