Jan Henrik  

@JanHenrikH

Macht Hardware, Fahrende Dinge, DD9CAT, Otter von , Otterminister des BMOP, *Ottering intensifies* 🦦

Vrijeme pridruživanja: siječanj 2014.

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  1. proslijedio/la je Tweet

    MacGyver engineering with at Brussels Airport. Charging a Baofeng with duty-free material only. Pencil lead as current limiting resistor, pencil sharpener blade as wire stripper. Two USB powerbanks in series to get 10V, USB power monitor as amp-meter

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  2. proslijedio/la je Tweet
    24. sij

    How can something be so close and still so far away 😭 OS02C10 image sensor is listed on , but not in stock, and they are unwilling / unable to restock it. Worse, this is the first component ever without a single listing on Alibaba 😥

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  3. proslijedio/la je Tweet
    31. sij

    Got my donor TS100! Don't turn it on, take it apart! :D The Otter-Iron is a perfect fit, just need to solder down some remaining parts.

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  4. proslijedio/la je Tweet
    8. sij 2018.

    Having an analog wheatstone-style pressure sensor laying around? You can use the HX711 24bit weight IC to not only read out load cells, but also basically every other wheatstone bridge. And it only costs 0.60$ incl. breakout.

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  5. proslijedio/la je Tweet
    1. velj
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  6. proslijedio/la je Tweet
    1. velj

    A Nano With An Otter’s Bite The would-be microcontroller experimenter is now faced with a bewildering array of choices when it comes to a tiny development board for their projects. Everything from descendants and clones of the original Arduino through t…

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  7. proslijedio/la je Tweet
    31. sij

    I worked on a full OSHW case for USB-PD enabled TS100 drop-in replacement PCB. The hand feeling is really quite nice, I like it a lot more than the original TS100 case. Now all you need are the cheap tips for a full open source soldering iron :)

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  8. proslijedio/la je Tweet
    27. sij

    For the TS-100 style connectors to add to the OtterIron PD upgrade, maybe this is a cheap source of em

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  9. proslijedio/la je Tweet
    27. sij

    I recreated the fuse holder for the TS100 in Fusion's sheet metal workspace. Its the only part missing for 's OtterIron USB-PD drop in replacement PCB for the TS100 if you don't want to sacrifice a working TS100 but wanna buy just the case. Rendering vs. real part:

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  10. 21. sij
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  11. proslijedio/la je Tweet
    16. lis 2019.

    Since I use the STM32F072 in a lot of projects, I designed a small breakout board for it. OtterPill features an USB 2.0 full-speed interface, a DFU-bootloader and an USB-PD phy (so you can request up to 20V from a USB-PD source). The size and pinout are based on the Arduino Nano.

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  12. 18. sij

    All source files and production files for can be found on GitHub (/HW v1.2/production): I also took some time to write some documentation and draw a pinout diagram :)

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  13. 18. sij

    My order of production optimized OtterPills arrived, yay! :3 To keep the price per board low, I ordered a lot more then I need, so if you want to buy one or two, DM me! The price for a complete SMD pre-assembled kit is 6€ + shipping.

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  14. proslijedio/la je Tweet
    18. sij

    Some initial documentation can be found on github: The PCB is a drop-in replacement for jars I found at a hardware store for $2. PCBs are from this time because refused to make the routing. Still decent quality, good enough for $5 :3

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  15. proslijedio/la je Tweet
    18. sij

    Finished a small project: A "magic mason jar" inspired by Power by battery or QI wireless. Since I always build stuff I never use because I'm too lazy to turn it on, I integrated it into my Phillips Hue ecosystem thanks to awesome JN5186 hack.

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  16. proslijedio/la je Tweet
    15. sij

    I only make serious PCBs... Thanks to and for the inspiration and for the excellent PCBs & assembly.

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  17. proslijedio/la je Tweet
    2. sij

    [Blog] BitBastelei #365 - Otter Screen Adapter: iPad-Ersatzdisplays als Monitor -

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  18. proslijedio/la je Tweet
    3. sij

    Animation of 5D Mark IV and Canon 70-200mm f/2.8L EF IS II showing movement of compound elements during zoom. (Thanks to for providing the camera and lens!)

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  19. 3. sij

    This is the first project where I used releases, it's a pretty handy feature :3 I have added two features (DFU bootloader and cascade controller), the binaries can be found here

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  20. proslijedio/la je Tweet
    30. pro 2019.

    USB-C PD for the TS100? This all-in-one solution 'Otter' be easier than some of the other hacks!

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