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Arduino Duemilanove

October 19, 2008 by 7 Comments

The latest generation of Arduino hardware has been released. The Arduino Duemilanove (2009 in Italian) has the same form factor as previous generations. The specs are essentially identical to the Diecimila, but there have been a few changes to the hardware. The power source is no longer chosen using a jumper. A MOSFET and dual OPAMP have been added to the board to automatically selected between USB power and the external plug. Automatic hardware resets are optional now. Next to the USB port are two solder pads labeled RESET-EN. Cut the trace between them to kill the reset. If you ever want it back, just bridge the pads. The hardware was updated to correspond with the release of Arduino cofounder [Massimo Banzi]’s new book.

Chrome And Firefox Showing JavaScript Improvements

October 18, 2008 by 18 Comments

With new betas for both Firefox and Chrome being released, CNET decided to find out how good their JavaScript performance was. Both browsers got a performance boost with Firefox slightly edging out Chrome. You have to turn on TraceMonkey, Firefox’s new Javascript engine in 3.1b1, to get the improvement. We never thought Google was that serious about building a new browser. They just want wanted Firefox to get their act together and suck less. It seems to be working.

[via Lifehacker]

IPhone Controlled R/C Car

October 17, 2008 by 22 Comments

[youtube=http://www.youtube.com/watch?v=D2EJ2kouK7U]

Is controlling an R/C car with its own remote too mundane for you? Do you feel the need to involve a web server and an iPhone in the process? This project might just be perfect for you. By connecting the R/C controller to a microcontroller board, and feeding it signals via a website from your iPhone, you can control the car as if you had the original controller in your hand. In case you missed it, he’s lugging a laptop, a circuit board, and the original controller along with him. They do make a few improvements though, such as speed control by using pulse width modulation. I guess that makes up for having to lug the computer around too.

[thanks Humberto]

Prototype This Schematics Posted

October 16, 2008 by 26 Comments

As promised, [Joe Grand] has uploaded the schematics from his part of last night’s episode of Prototype This. The device monitors the driver of a demo derby car and shuts it off if he becomes too enraged. He’ll be posting schematics for every episode as they’re released. The really interesting thing is that he scanned all of his development notes too. If you missed the episode, you can watch it on Discovery’s site. You can also grab a version that doesn’t idiotically force you to watch in full screen browser window from The Pirate Bay.

UPDATE: [Joe] has been responding to your comments.

PSP 3000 Teardown

October 16, 2008 by 51 Comments

If you absolutely feel an incessant need to see the innards of every new piece of equipment out there, you’ll probably be excited to see that the PSP 3000 has been disassembled and photographed. Apparently there isn’t much new here. The screen has been replaced with one that has 5 times the contrast ratio, twice the color range, and a refresh rate that is twice as fast. Other than that, there’s a built in microphone and a mystery “PS” button.

[via Engadget]

UberBong: Evaporative PC Cooling, Probably

October 16, 2008 by 24 Comments

We’re not 100% sure what exactly is going on here. It appears to be a massive evaporative cooling rig for a computer, though the title has us wondering if it doesn’t have any other uses. There isn’t much of a description, but we felt the sheer magnitude of this cooling system warranted some publicity. Some digging around shows that this was out in 2003, but it is new to us.

[via reddit]