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  1. proslijedio/la je Tweet
    17. sij

    Got my Colorlight 5A-75B yesterday 🥳 This is a ~£15 board meant for driving LED walls, but it's got an ECP5 FPGA on it so it can be re-programmed using the open source tools Yosys+nextpnr!

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  2. proslijedio/la je Tweet
    8. sij

    (194) Retrieving an unknown signal (gray line) from a small number of measurements (black dots) is in general impossible. But if you know that the signal can be represented with only a few nonzero elements of a basis, then you can use "compressed sensing". 1/4

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  3. proslijedio/la je Tweet
    10. sij

    Unusual Dallas Semiconductor wafer is entirely test circuitry, with 20 test blocks repeated over the wafer. Everything from transistors of different sizes to flash memory cells. Not shown: resistors of many types, anti-fuses, capacitors, isolation, and other chip structures.

    Microscope photo of silicon die showing complex test circuitry.
    A silicon wafer.
    Test circuitry on the die with transistors of various sizes. Labeled "30V PCH". Multiple pads for source, gate, and drain.
    Test circuitry labeled "Flash Memory". One test cell with "1.5 um rules", one with "1.2 um rules".
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  4. proslijedio/la je Tweet
    27. pro 2019.

    Hardware and Firmware Issues in Using Ultra-Low Power MCUs, by Jack Ganssle. "This report uses the results of extensive experiments, plus analysis, to prove that most assumptions about designing ultra-low power systems are wrong."

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  5. proslijedio/la je Tweet
    26. pro 2019.

    Adding USB-C To The TS100, But Not How You Think USB-C has its special Power Delivery standard, and is capable of delivering plenty of juice to attached hardware. This has led many to modify their TS-100 soldering irons to accept the connector. [Jan Hen…

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  6. 25. pro 2019.

    I have one ticket left for 140€! Anyone interested? PayPal or On-Site cash preferred!

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  7. proslijedio/la je Tweet
    29. stu 2019.

    Today I met with and discussed about their SMT service. Extending the parts library is important and they would appreciate suggestions what parts to add first. Please reply to this tweet with LCSC part numbers that would help you most if they were available for JLCSMT :3

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  8. proslijedio/la je Tweet

    For anyone interested in the amazing Eidophor vintage projection tech, I just found some more detailed info :

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  9. proslijedio/la je Tweet
    13. stu 2019.

    Woke up in the Airbnb apartment 500m to the Huaqiang markets. After 15h of flight and having the original apartment being cancelled on arrival, I wasn't up for any exploring. But today's the day, and we're about to visit the markets with a long list of components to source :3

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  10. proslijedio/la je Tweet
    5. stu 2019.

    For some weeks in August, the BSI withdrew approval of for sensitive docs, and we still don't know why. But I made a FOI request and it was partially granted: All but one document (by cryptovision) will be released in a couple of weeks.

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  11. proslijedio/la je Tweet
    29. lis 2019.

    If you haven't watched "Guarding Against Physical Attacks: The Xbox One Story" yet; it's a pretty neat presentation:

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  12. proslijedio/la je Tweet
    28. lis 2019.

    I'm going to Shenzhen for a month, both for work and private projects. I'm mainly there for sourcing components and evaluating new suppliers, and I wonder what I should prepare for, language-wise? Do you have any experience if it's possible to survive with only speaking English?

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  13. proslijedio/la je Tweet
    27. lis 2019.

    So what do you do when 's sends you a sample of the retroreflectors they use to make their table top AR system? Of course I stick it in a Focused Ion Beam Microscope to figure out how they are made by slicing them in half with a beam of metal. [Thread]

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  14. proslijedio/la je Tweet

    🔥 CVE-2019-14287 A flaw in Sudo—that comes installed on almost every OS—could let users run commands as "root" even when they're restricted. Details ➤ How? Just by specifying user ID "-1" or "4294967295" in the command instead of the root.

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  15. proslijedio/la je Tweet
    12. lis 2019.

    So I guess this is a thing. Was destroying a USB mass storage device. Instead of NAND or eMMC, there was... soldered down microSD card. Not using SD pins, no no no. Those are just anchors. Using the test pins on the back of the card to tap in to NAND.

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  16. proslijedio/la je Tweet
    6. lis 2019.

    NASA (1965) "Man is the lowest-cost, 150-pound, nonlinear, all-purpose computer system which can be mass-produced by unskilled labour"

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  17. proslijedio/la je Tweet
    4. lis 2019.

    Amazing video showing the influence the bombing scene from the 1955 classic Dambusters had on George Lucas while shooting the attack on the DeathStar in the 1977 Clasicc Star Wars! H/T to for originally posting.

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  18. proslijedio/la je Tweet
    27. ruj 2019.

    I think it’s time for a thread on the cultural history of this tweet. (1/?)

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  19. proslijedio/la je Tweet
    27. ruj 2019.

    Officially done with your “CGI looks fake” nonsense now.

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  20. proslijedio/la je Tweet
    18. ruj 2019.

    I have just submitted my bachelor's thesis :3 Not super interesting for the average hacker, but if you still give it a try, you may learn something about pH sensing and embedded antenna design:

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