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Tag: ‘Sd Card’

Hackaday links: September 11, 2012

Xbee sensors at Lowe’s? Lowe’s, the home improvement big box store, is selling some home automation items which might be Xbee compatible. They’re being sold under the brand name Iris. There is some debate as to whether they’re Xbee, or just 802.15.4 hardware. Either way they might be worth checking out for your wireless projects. Father …

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Accessing an SD card through a parallel port, just because

[Vinod] sent in a very cool build he says is somewhat of a ‘mad project’: he mounted an MMC and SD card under Linux using the parallel port on his computer. Even though parallel ports are getting rarer these days, we absolutely love [Vinod]‘s dedication and willingness to dig around the Linux kernel. The hardware portion of the …

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Building a media player with an MSP430

A media player based on an Arduino and SD card has been done to death several times over, but that doesn’t mean we can’t appreciate [Matt]‘s MSP430 audio player. It’s a very nice piece of work that supports a FAT16 file system and only takes up 54 bytes of RAM. To make his dream of …

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Flash an Arduino from an SD card

[Kevin] has been working on reverse engineering the protocol used by the Arduino IDE and porting it to the Arduino platform. Now that his BootDrive project is nearing completion, he’s ready to give every Arduino the ability to program another Arduino over an SD card. BootDrive isn’t terribly different from using an Arduino as an ISP, …

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Reading NAND flash with an Arduino

[HC] took a gander around the Googles and saw a number of people trying to read NAND flash chips with an Arduino. It’s an interesting problem; at 16 Megahertz, [HC] is looking at about 60 nanoseconds per instruction cycle, and flash chips normally operate around 20 ns. He got the build working, and was able …

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Snap together boombox great for taking your music on the go

[Matt Keeter] wanted to take his music on the go, and wrote in to share a great looking boombox he built for under $100. His goal was to put something together that could be made in pretty much any hackerspace/fab lab, so his boombox was made using simple materials. He first modeled the boombox using …

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Now you can run Ubuntu Linux on a NOOK Tablet (sort of)

The Barnes & Noble NOOK Tablet has a locked bootloader, which has prevented hackers from figuring out how to replace the version of Android that comes on the tablet with custom software such as CyanogenMod. But that doesn’t mean it’s impossible…

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The most evil gift ever

[form], a new user on the Hack a Day forums, was thinking, “what Christmas present i can send a friend, that would be really annoying?” We think he really hit it out of the park with this one. It’s a modified computer speaker that will play “explicit” audio until the power button is pressed 200 …

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Data logging with a cheap Lux meter

[Minisystem] has a thing for dynamo powered bike lights. He wanted to measure how well his latest is working, but just logging the current flow through the LEDs wasn’t enough for him. He picked up a cheap Lux meter and hacked into the circuit to log measurements while he rides. He started by cracking open …

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Pyxis 3 hits beta; rebranded as Gadgetos

The beta version of Pyxis 3 is now available. Skewworks continues to develop the ARM operating system, and with the transition to version 3 they’ve given it a new name: Gadgetos. One big difference from Pyxis 2 is that the new kernal is closed source. But they’ve taken steps to ensure that the OS is …

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