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Comments

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Ask Slashdot: Where Are the E-Ink Dashboards?

mikeselectricstuff Flipdots (242 comments)

Flipdots Are pretty close to large-scale e-ink

about a year and a half ago
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ASCAP Wants To Be Paid When Your Phone Rings

mikeselectricstuff If I were a plumber... (461 comments)

If I were a plumber, and I installed a toilet, I don't get paid every time someone takes a dump. If I designed a toilet, ditto. If I own a patent on some new-fangled kind of super-toilet, ditto. So do other creative professions seem to think that they deserve to get paid every time their work gets used...?

more than 5 years ago
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DisplayLink Releases LGPL USB Graphics Code

mikeselectricstuff Before you get too excited.... (61 comments)

From a quick reading of the pdf, it looks like this is just an API to draw simple shapes on the remote display, NOT do all the clever automatic smart compression stuff that their Windows driver does to provide additional monitors. Potentially useful, but nowhere near equivalent functionality to the Windows/Mac versions.

more than 5 years ago
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EEStor Issued a Patent For Its Supercapacitor

mikeselectricstuff Charge times unrealistic (603 comments)

They claim that they can charge 50-odd KWH in 3-6 minutes - at 100% efficiency this corresponds to 1 to 0.5 megawatts of charge power, which would be pretty much impractical in any real-world application. I'd sure like to see that charging connector......

more than 5 years ago
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Gadgets For a Budding Geek?

mikeselectricstuff take stuff apart - learn from the experts! (372 comments)

Buy a set of small tools ( including all the 'security' type screwdriver bits), and get a load of dead consumer electronics from friends & neighbours etc. and encourage him to take stuff apart, figure out how it works, try to fix stuff etc. A subscription to Make magazine would also be good.

more than 5 years ago

Submissions

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HP releases hackable ARM based calculator

mikeselectricstuff mikeselectricstuff writes  |  more than 5 years ago

mikeselectricstuff writes "HP's 20b business consultant calculator isn't the sort of thing that would normally interest the avarage Slashdotter, except that HP have released a Devkit for it, including schematics and source for a sample application, and appear to be actively encouraging people to re-purpose it. Maybe the engineers thought a business calculator was just too boring for their hardware? The calculator is based on an Atmel ARM chip, and has a bootloader and JTAG interface to allow user applications to be written and downloaded, turning a boring calculator into anything you can do within the constraints of the hardware. Other links : HP repurposing project"
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