Hackaday Links: December 10, 2017

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We have a contest going on right now challenging you to do the most with a coin cell. There are already quite a few interesting entries, and a few Hackaday writers are getting into the action by asking the question, ‘how do you open up a coin cell?’. The first thoughts were to open a lithium coin cell up while submerged in oil, but eBay came to the rescue with the cases for CR2025 cells. Of course that’s a thing.

Also falling into the, ‘of course that’s a thing’ category, there’s a project on Hackaday.io to execute arbitrary code on a calculator. A small group of calculator hackers have discovered an exploit on a line of Casio calculators running the obscure nX-U8/100 architecture. Right now, there’s not much to the project — just an LCD filled with bits of memory. However, this is a project we’re keenly watching, and we can’t wait to see what comes of it.

Hold onto your butts, because the ultimate multimeter is here. [Dave Jones] of the EEVBlog has released the 121GW Multimeter on Kickstarter. What’s cool about this meter? SD card logging, the ability to send data over Bluetooth, a 15V diode test voltage, a burden voltage display, and a whole bunch of hackable features. If you have a Fluke on your Christmas list, you would do well to check out the 121GW.

Also on Kickstarter, a new LattePanda board has been released. What’s a LattePanda? It’s a small single board computer built around a low-voltage Intel processor. This board features an Intel m3-7Y30 processor, comparable to the processor you’d get in a proper laptop that doesn’t have an i3, 8 gigs of DDR3, 64 gigs of eMMC, 802.11ac, BlueTooth 4.2, USB 3.0 with a Type C connector, HDMI, and a whole bunch of GPIOs. Yes, it runs Windows (but why would you?). If you need a somewhat beefy x86 system in a small form factor, there ‘ya go.

We’ve seen 3D printed remote-controlled airplanes, but never one this big. The guys at Flite Test printed a 1.6 meter Spitfire. It’s got flaps, it’s got retracts, and it’s friggin’ huge. The files for the print came from 3DLabPrint, and it flies beautifully, despite being a Spitfire. Want to see the video? Here ya go.

14 thoughts on “Hackaday Links: December 10, 2017

    1. Has to design those parts THEN print them so I’m pretty sure he spent more time than would have been if just did it with balsa, ply, and glue. BUT that aside… he did some great work! It doesn’t fly true to scale though, it’s remarkably slow and gentle in flight and the real Spitfire and balsa/ply models of it definitely are not, killed a lot of pilots in training, the high wing loading made it a handful to fly. Easy to fix though, just put 3x more flight battery in it!

  1. > This board features an Intel m3-7Y30 processor, comparable to the processor you’d get in a proper laptop that doesn’t have an i3, 8 gigs of DDR3, 64 gigs of eMMC, 802.11ac, BlueTooth 4.2, USB 3.0 with a Type C connector, HDMI, and a whole bunch of GPIOs.

    This sentence was confusing to me. At first I thought it was listing off things the ‘proper laptop’ didn’t have, then I realized it was a feature list of the board after the first comma. Maybe a semi-colon after i3?

    1. I feel like the clearest version would be to use parentheses:

      This board features an Intel m3-7Y30 processor (comparable to the processor you’d get in a proper laptop that doesn’t have an i3), 8 gigs of DDR3, 64 gigs of eMMC, 802.11ac, BlueTooth 4.2, USB 3.0 with a Type C connector, HDMI, and a whole bunch of GPIOs.

  2. The spitfire was not printed by the flite test crew, the guy from 3DLabPrint printed and delivered it to them.
    They already reviewed a P38 designed and printed by the same guy a while back.

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