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Last Build Date: Thu, 22 Feb 2018 05:03:27 +0000

 



Retrocomputing for the Forgottenos2wd5gnr1

Thu, 22 Feb 2018 03:00:41 +0000

The world runs on marketing hype. Remember the public relations swirl around the Segway? Before it rolled out we were led to believe it was going to be remembered as fire, the wheel, and Segway. Didn’t really happen. Microsoft and IBM had done something similar with OS/2, which you may not even remember as the once heir-apparent to MS-DOS. OS/2 was to be the operating system that would cure all the problems with MS-DOS just as IBM’s new Microchannel Architecture would cure all the problems surrounding the ISA bus (primarily that they couldn’t stop people from cloning it). What happened? …read more


Media Files:
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Linux Adds CH341 GPIOchwd5gnr1

Thu, 22 Feb 2018 00:00:19 +0000

There was a time when USB to serial hardware meant one company: FTDI. But today there are quite a few to choose from and one of the most common ones is the WCH CH341. There’s been support for these chips in Linux for a while, but only for use as a communication port. The device actually has RS232, I2C, SPI, and 8 general purpose I/O (GPIO) pins. [ZooBaB] took an out-of-tree driver that exposes the GPIO, and got it working with some frightening-looking CH341 boards.

He had to make a slight mod to the driver to get six GPIOs in …read more


Media Files:
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Vintage Sewing Machine to Computerized Embroidery Machinesewing-machine-cnc-featuredengineermcevoy

Wed, 21 Feb 2018 21:00:55 +0000

It is February of 2018. Do you remember what you were doing in December of 2012? If you’re [juppiter], you were starting your CNC Embroidery Machine which would not be completed for more than half of a decade. Results speak for themselves, but this may be the last time we see a first-generation Raspberry Pi without calling it retro.

The heart of the build is a vintage Borletti sewing machine, and if you like machinery porn, you’re going to enjoy the video after the break. The brains of the machine are an Arduino UNO filled with GRBL goodness and the …read more


Media Files:
http://hackadaycom.files.wordpress.com/2018/02/idea_02.png?w=400




MIT Extracts Power from Temperature FluctuationsThermal resonator 16x9inkarc

Wed, 21 Feb 2018 19:30:00 +0000

As a civilization, we are proficient with the “boil water, make steam” method of turning various heat sources into power we feed our infrastructure. Away from that, we can use solar panels. But what if direct sunlight is not available either? A team at MIT demonstrated how to extract power from daily temperature swings.

Running on temperature difference between day and night is arguably a very indirect form of solar energy. It could work in shaded areas where solar panels would not. But lacking a time machine, or an equally improbable portal to the other side of the planet, how …read more


Media Files:
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Retrotechtacular: The Best Jeep Commercial Everretrotechtacular-best-jeep-commercial-everMike Szczys

Wed, 21 Feb 2018 18:01:45 +0000

How often do we find ourselves thankful for advertising? When it comes to Hackaday’s Retrotechtacular column it’s actually quite often since it snapshots a moment in culture and technology. Today’s offering is a shining example, where we get a great look into vehicular utility of the day that is rarely seen in our modern lives.

The origin story of the Jeep is of course its prominence in World War II when more than half a million were produced. GIs who drove the vehicles constantly during the war greatly appreciated the reliability and versatility and wanted one for their own when …read more


Media Files:
http://hackadaycom.files.wordpress.com/2018/02/jeep-power-take-off-and-hydraulic-lift-powering-circular-saw.jpg?w=800




Friday Hack Chat: Trusting The AutorouterAutorouterHebrianbenchoffjoin-hack-chat

Wed, 21 Feb 2018 17:15:50 +0000

Ah, the autorouter. Inside every PCB design tool, there’s a function called the ‘autorouter’. This function, when used correctly, is able to automagically lay traces between pads, producing a perfect board in under a minute. The trouble is, no one uses it. We have been told not to trust the autorouters and we hear a lot of other dire warnings about it. The autorouter never works. The autorouter will put traces everywhere. The autorouter doesn’t consider floorplanning, and sometimes you’re going to get traces that go right through the edge of your board. Is avoiding the autorouter sound advice?

For …read more


Media Files:
http://hackadaycom.files.wordpress.com/2017/02/join-hack-chat.png?w=190&h=174




3D Printed Skateboard Mount for Bikesskateboard-featadamfabio

Wed, 21 Feb 2018 16:30:00 +0000

[Matt Obal] had a problem. The local skatepark was too far to skateboard, but close enough to bike. Carrying a skateboard on a bicycle is a rather awkward (and unsafe) maneuver. [Matt’s] answer to the problem is Truck Stop, a bicycle mounted skateboard carrier he developed and is manufacturing himself.

[Matt’s] work on Truck Stop began about a year ago, with his purchase of a 3D printer. He designed a seat back mounted device that secures the skateboard by wedging between the truck and the board itself. The design is printed in PLA and is hollow. Truck Stop’s strength comes …read more


Media Files:
http://1.gravatar.com/avatar/a042bc8f4bab4647b49fb81a70562ef4?s=96&d=https%3A%2F%2F1.gravatar.com%2Favatar%2Fad516503a11cd5ca435acc9bb6523536%3Fs%3D96