Hello there, here are your daily updates from the MAKE blog - 2009/02/02.
Making Mr. MIDIShield After finishing my second prototype of a MIDIShield for Arduino I've dug into writing a useful sketch to use with it. It's been tougher than I expected working with timer and interrupt settings for the AVR - though dealing with incoming MIDI data was pretty straightforward. The rough spot comes when I try to communicate with the DAC chip (MCP4921) within an interrupt. So far, using the "HelloSineTone" example from the Arduino Pocket Piano shield has proved unsuccessful. Hmmm, more development progress to come … Read more | Permalink | Comments | Digg this! Superbowl Sunday foodsI live in central Arizona, where it's hard to avoid the droves of Cardinals fans at every turn (I didn't even know that the Cardinals wasn't just a baseball team until a few weeks ago), all buying cases of Bud to drink during the big game. Although I find football just about as mindless as any other televised sport, I sure do enjoy getting together with my friends for some tasty food. We're making Buffalo wings with homemade ranch dressing, nachos, and artichoke dip to enjoy with a few friends. We'll also be having the first carbonated taste of our homemade hefeweizen; the recipe is called "Dry Heat Wheat" by our local brewing shop. We also have a fresh crop of grapefruits on the tree in our backyard, so my roommate Sarah whipped up a cocktail recipe featuring the fresh juice. Football or not, we'll be eating well today! Photo above is "Homebrew beer fermenting in carboy" by geoffeg on Flickr. Becky's Homemade Ranch: .5 cup mayonaise Combine all ingredients and whisk together. Use a food processor to dice the onion and garlic if you have one. Let the flavors meld in the fridge for an hour before serving. Sarah's Raspberry Greyhound: 1 oz. Stoli Raspberry Combine above ingredients with ice in a cocktail shaker, then pour over ice into a tumbler. Fill with tonic water, enjoy! Read more | Permalink | Comments | Read more articles in Holiday projects | Digg this!Best of CRAFTHere are some of my favorite posts from the CRAFT blog this week: Read more | Permalink | Comments | Read more articles in Crafts | Digg this!New stuff happening on the MAKE site...Some housekeeping - We are in the middle of some HUGE upgrades behind the scenes at MAKE. The MAKE site isn't something we "own" - it's your site just as much as it's ours. Everyone who participates in the MAKE community has made it the great resource it is today. We listened to all the feedback in 2008 and we're doing a lot to make the site even better in 2009. Here's an overview of what we're up to now, ahead and some of the changes on the site.
And that's just a start, we'll keep you all updated as things change and get updated. Read more | Permalink | Comments | Read more articles in Announcements | Digg this! Tetherbot - browse on your laptop through the T-Mobile G1Tetherbot is a SOCKS proxy for the T-Mobile G1. Using this tool, you should be able to connect your laptop to the internet using your phone's data connection. It's not a true routed connection like you might be familiar with with other devices, but browsers like Firefox or Safari can be easily configured to use SOCKS. Also included is a port forwarding utility, which will allow you to tunnel SSH or connect to services with applications that aren't SOCKS compatible. I don't have a G1, but this looks like an essential tool. Has anyone tried this out that would care to comment on how well it works? Read more | Permalink | Comments | Read more articles in hacks | Digg this!Viewing Infra-RedThe Upload section of Make is dedicated to "digital arts and crafts." This can include any process, device, or software that you can tweak or hack to create digital, "uploadable" output. As the editor of this section I've pursued topics including how to make a chroma-keyed, "green-screen" video, how to use software that facilitates music synthesis on a desktop computer, and how to write a BASIC program to generate plaintext proverbs as a simple form of AI. Some time ago we published a piece by Richard Kadrey on infra-red photography, describing how to adapt a digital camera so that it will photograph wavelengths just below the visible spectrum. Shortly after that I bought a Fuji IS-1, which is specifically designed to photograph infra-red, since it omits the blocking filter that protects the sensors on most cameras. The picture above, of a sandy wash in the desert, was taken with an IS-1. Of course you still need a filter to block visible light, but these are readily available from photo supply sources online. Recently on www.boingboing.net a couple of readers suggested infra-red flash photography, which would be done by putting a visible-light blocking filter over the flash source. This would enable you to take pictures surreptitiously in darkness or near-darkness. I'm wondering if anyone here has had personal experience with this. Does the pop-up flash on a typical camera emit enough infra-red to make it workable? How about using a battery-powered camcorder floodlight, repackaged in a light-tight box with a filter on the front? That could cause overheating problems, but if all you want is to take still photographs, you could switch on the light for just a few seconds. I'm interested in exploring the infra-red topic further in the Upload section of future issues of Make. Read more | Permalink | Comments | Read more articles in Imaging | Digg this!DIY Superbowl Sunday... for Makers Pictured above - DIY tackling dummy... Bracketmeister - bulb mode bracketing for digital cameras
Joergen Geerds sent in his solution to long exposure night photography: the Bracketmeister, an Arduino set up that's used with a camera's bulb mode to automate bracketed, long exposure shots. I do bracket all my night photography, for various reasons: for exposure blending, noise reduction, dynamic range extension etc etc. Unfortunately, Canon thinks that all photographers only need +-2EV brackets, unless you own one of the very big Canons, and that 30 seconds is also enough. Unfortunately, it isn't enough for some of my night panoramas, and I was looking into ways to fix it (that included pleading to Canon, but we all know how far that goes). You can grab the code and build instructions from Joergen's site. Put a nice case around this and it's a handy little item to add to your photo hacker's toolkit. Long-exposure Night HDR Photography With Arduino Read more | Permalink | Comments | Read more articles in hacks | Digg this!More Recent Articles
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