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16 items tagged "jim"
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14:47
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Hack a Day
[Jim] used a logic analyzer to do some in depth analysis of the Syma 107G helicopter’s IR protocol. We’ve seen work to reverse engineer this protocol in the past, but [Jim] has improved upon it. Instead of reading the IR output of the controller, [Jim] connected a Saleae Logic directly to the controller’s circuitry. This allowed him [...]
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13:01
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Hack a Day
[Jim's] technique for turning a wireless doorbell into a custom ringtone player is so simple. He manages to get the entire thing done using only a screwdriver and wire clippers as tools. But if you’re looking to use this over the long-term we’d recommend soldering the connections rather than relying only on the twisted wires. [...]
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9:01
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Hack a Day
[Jim] has an old Android phone he’d like to use as a Robot brain. It’s got a lot of the things you’d want in a robot platform; WiFi, Bluetooth, a camera, an accelerometer, etc. But he needed some way to make the mobile, mobile. What he came up with is a chassis with servos that [...]
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16:01
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Hack a Day
[Jim's] pretty serious about his Etch a Sketch. He’s gone to the trouble of building a rig that will automatically render a photograph as Etch a Sketch art. Do you recognize the US political figure being plotted in this image? He actually cracks these open and removes all of the internals to preserve the artwork [...]
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13:56
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Hack a Day
[Thor] sent in an awesome motorized bike build he found coming from the fruitful workshop of [Jim Gallant]. It’s an incredible piece of work built nearly entirely from scratch. [Jim] welded the frame together on a home-built jig that keeps all the chrome-moly tubes in alignment before they’re pieced together. With the jig, the frame was kept [...]
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9:01
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Hack a Day
[Jim] wrote in to share some work he did with GE Color Effects LED lights in an effort to create a light display for his boat. He saw our coverage of the Color Effects G-35 hacking efforts by DeepDarc last year, and knew that they would be prefect for the boat. He did some careful [...]
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7:03
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Hack a Day
Workshop 88 member [Jim] got his hands on a couple of SanDisk Sansa Clip+ MP3 recorder/players from Woot, and was anxious to see what he could do with them. The first order of business was to install RockBox, an open source hardware package built for a wide range of MP3 players. He was impressed with [...]
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15:01
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Hack a Day
Repairing someone else’s design mistakes is much more difficult than starting from scratch. So whenever we come across someone who’s good at this type of trouble-shooting we pay attention. [Jim] had a Sangean HDR-1 in his home. It’s a tabletop HD radio that stopped powering up for some reason. He cracked it open and got [...]
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13:01
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Hack a Day
Well, if we ever need something huge built on a RepRap, now we know who to call. [Jim] over at Grass Roots Engineering wrote in to share a large 3D print he just finished, which was extruded by an equally impressive home-built 3D printer. The part he built consists of a bunch of hollow green tubing [...]
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9:01
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Hack a Day
[Jim] just finished restoring an old Seeburg USC1 jukebox for his father using an Arduino, replacing an electromechanical rats nest of wires. The stack of 45 records were replaced with an Arduino Mega 2560 with an Sparkfun MP3 player shield, and he jukebox lights are now controlled with 74595 shift registers. Because his jukebox isn’t [...]
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8:01
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Hack a Day
When [Jim's] thirty year old Pachinko machine started to freeze up and shorted out his computer’s graphics card he decided it was time to replace the old electronics with an Arduino. Originally the Pachinko machine ran off a 48 volt supply and control was achieved using about 20 relays, the random numbers were generated using [...]
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15:01
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Hack a Day
[Jim] has been working with a team from various Universities to develop an intuitive way to guide and train assistance robots. They focused on one particular technique, training a robot to follow on a leash in the same way you would a pet dog (PDF). He was inspired to send in a link to his research [...]
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12:00
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Hack a Day
For several years, [Jim] has wanted to construct a fully-mechanical universal Turing machine. Without the help of any electronic circuits or electrical input, his goal was to build the machine using simple hand tools and scrap materials. If you are not familiar with the concept of a Turing machine, they are devices that manipulate symbols [...]
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7:00
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Hack a Day
[Jim] was the happy recipient of 11 non working Itona VXL thin clients. The units he received were 800Mhz CPUs with 256 MB of Ram and 256MB of storage. None would power up. Upon internal inspection, he found a common theme. Leaky bulging capacitors in the power supplies. Since these came with custom 50W power [...]
0day.today (was: 1337day, Inj3ct0r, 1337db)
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