Michael Ossmann

@michaelossmann

hacker/artist/gadgeteer, Great Scott Gadgets () founder, designer of GreatFET, HackRF, Ubertooth. You think I should be , but I'm not. he/him

Evergreen, CO
greatscottgadgets.com
Vrijeme pridruživanja: siječanj 2011.
398 fotografija ili videozapisa Fotografije i videozapisi

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  1. Prikvačeni tweet
    19. pro 2015.

    Software Defined Radio with HackRF, Lesson 11: Replay

    9 replies 79 proslijeđenih tweetova 155 korisnika označava da im se sviđa
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  2. 3. velj

    t turned out that the receiver had a tight filter; as little as 5 kHz of error was enough to result in failure. HackRF One's crystal can be up to 20 ppm off, resulting in as much as 9 kHz error at the target frequency (443 MHz). Adding a small offset corrected the problem. 2/2

    7 proslijeđenih tweetova 37 korisnika označava da im se sviđa
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  3. 3. velj

    Multiple teams used HackRF One with a PortaPack for a POCSAG pager transmit challenge at the . Some worked; some didn't. This intrigued me! 1/2

    1 reply 7 proslijeđenih tweetova 33 korisnika označavaju da im se sviđa
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  4. proslijedio/la je Tweet
    31. sij

    Incredible work by on dissecting ’s Continuity BLE packets—made possible by ’s Ubertooth One. The community builds on each other’s work!

    1 reply 2 proslijeđena tweeta 7 korisnika označava da im se sviđa
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  5. proslijedio/la je Tweet
    30. sij

    I brought one hundred NFC Type 5 microcontroller boards to Shmoocon, which are OTA programmable from Android. You can have one for free if you install the compiler toolchain documented on the Github page.

    73 proslijeđena tweeta 290 korisnika označava da im se sviđa
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  6. 30. sij

    Growing up with Fahrenheit gave me a totally incorrect impression of the precision of normal human body temperature (98.6 F) which was originally rounded to the nearest degree Celsius (37 C) in a study with fairly wide variance that is now outdated.

    18 korisnika označava da im se sviđa
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  7. 7. sij

    "Fast" food in 2020: I had my burger within 2 minutes of walking in the door. Then I waited 5 minutes for the ice machine to complete a firmware update.

    6 replies 17 proslijeđenih tweetova 128 korisnika označava da im se sviđa
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  8. proslijedio/la je Tweet
    7. sij

    oh god...

    15 replies 136 proslijeđenih tweetova 287 korisnika označava da im se sviđa
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  9. proslijedio/la je Tweet
    7. sij

    Bought and opened up one of these fascinating “kinetic switches” that do not require batteries. The board (STM8S003F3 + CC115L) seems to be momentarily powered from a magnet moving through a coil when the switch is pressed/released.

    8 proslijeđenih tweetova 41 korisnik označava da mu se sviđa
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  10. 4. sij

    This is what happens when I spend too much time in European electronics stores.

    15 replies 14 proslijeđenih tweetova 152 korisnika označavaju da im se sviđa
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  11. 4. sij

    I skipped a talk at because it was in German. Today I watched the video with English translation. Huge thanks to the volunteers!

    7 replies 1 proslijeđeni tweet 80 korisnika označava da im se sviđa
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  12. proslijedio/la je Tweet
    3. sij

    1. There are unconfirmed reports that Qasem Soleimani commander of Qods Force (Iran's external security agency) has been killed in drone strikes. If true, this will be a major moment in US-Iran relations & Supreme Leader will undoubtedly see this as a major provocation/act of war

    1.758 replies 46.006 proslijeđenih tweetova 79.977 korisnika označava da im se sviđa
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  13. proslijedio/la je Tweet
    31. pro 2019.

    Happy New Year from and me, Twitterverse! 🎉🥳💋

    9 replies 3 proslijeđena tweeta 123 korisnika označavaju da im se sviđa
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  14. 31. pro 2019.

    PSA: It is perfectly valid to count decades starting whenever you like. Decades can be based on the day you were born or the day your favorite video game was released or whatever! You can celebrate the start of the '20s tonight and also the start of the 203rd decade next year!

    1 reply 13 korisnika označava da im se sviđa
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  15. 30. pro 2019.

    I greatly envy those who are able to focus on projects in noisy environments.

    6 replies 1 proslijeđeni tweet 57 korisnika označava da im se sviđa
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  16. proslijedio/la je Tweet
    30. pro 2019.

    If you got a sonos device in recycle mode get in contact with me. I am pretty sure that we can bring it back into a somewhat useable state. Maybe even get in contact before, so we can inspect what is going on - Works also on latest fw.

    7 replies 120 proslijeđenih tweetova 208 korisnika označava da im se sviđa
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  17. 28. pro 2019.

    Was anyone else mystified by the applause during the talk at when the speakers explained why they haven't released an open source tool? They cited: 1. guidance from the GSMA (the network operators) and 2. code quality.

    9 replies 9 proslijeđenih tweetova 41 korisnik označava da mu se sviđa
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  18. 27. pro 2019.

    "volt down me enclaves yo ho" now has a song!

    1 reply 1 proslijeđeni tweet 13 korisnika označava da im se sviđa
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  19. proslijedio/la je Tweet
    17. pro 2019.

    Passing this on: anyone looking for an embedded/kernel developer, especially out of the Denver or Boulder area? A rad family member was just hit by year-end layoffs, and is looking for a position at a queer-friendly employer. DM for résumé/info.

    1 reply 23 proslijeđena tweeta 21 korisnik označava da mu se sviđa
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  20. proslijedio/la je Tweet
    10. pro 2019.

    The famous "Software Defined Radio" training from is back for ! Check it out !

    12 proslijeđenih tweetova 17 korisnika označava da im se sviđa
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  21. proslijedio/la je Tweet
    4. pro 2019.

    🎉Good morning TROOPER, our training schedule for has been released! We strongly advise you to book your seat as soon as possible, as the seats are limited!🎉

    26 proslijeđenih tweetova 30 korisnika označava da im se sviđa
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