Category Archives: diy

Do-it-yourself

Crank Up Your Laptop’s Gaming Power with an External Video Card Dock [DIY]

If your laptop’s integrated graphics just aren’t cutting it for the games you want to play, you can actually connect a desktop graphics card to your ExpressCard slot with an external dock. More »… Continue reading

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Fresh Sriracha (aka, home made ‘Rooster’) – Recipes – food52

(via Delicious/tsangal)

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DIY Fiber Optic Ring Flash

Now this is something that I haven’t seen before. A ring flash using the camera’s built-in flash and some optical fiber. Link (via Hacked Gadgets)

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Mobius circuit board

A truly single-sided circuit board from Evil Mad Scientist Laboratories built on a Mobius strip with conductive ink. In electronics, it is common to talk about single sided circuit boards. The most common type is a circuit board that only … Continue reading

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Modelling the Sierpinski Triangle with Polymer Clay

Evil Mad Scientist Laboratories has an ingenious how-to on creating a clay model of a fractal known as a Sierpinski triangle. One of our favorite shapes is the Sierpinski triangle. In one sense, a mere mathematical abstraction, on the other, … Continue reading

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Magic-1 Homebrew CPU

Here’s another impressive homebrew computer. It was built with more than 200 ICs, and has similar capabilities to the original 8086 processor. It was recently demoed running a port of Minix 2. Magic-1 is a completely homebuilt minicomputer. It doesn’t … Continue reading

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Stop using Ferric Chloride etchant! (A better etching solution.)

This instructable shows an alternative to etching PCBs with Ferric Chloride. Ferric chloride is kinda nasty stuff. Quick to exhaust its etching power, non-reusable, kinda pricey, and ends up full of copper salts that are bad for the environment if … Continue reading

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Photomask coasters

Evil Mad Scientist Laboratories came up with a great idea for making coasters: photolithographic masks. Photolithographic masks, or photomasks are clear templates used in semiconductor manufacturing. Typically, they are made of UV-grade fused silica and have a highly intricate chrome … Continue reading

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Binary marble adding machine

Matthias Wandel built this clever adder that uses marbles. It is quite pleasant to watch it in action…check out the video. It had occurred to me that perhaps with an insane amount of perseverance, it might be possible to build … Continue reading

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Book: Adventures From the Technology Underground

Adventures From the Technology Underground: Catapults, Pulsejets, Rail Guns, Flamethrowers, Tesla Coils, Air Cannons, and the Garage Warriors Who Love Them William Gurstelle Three Rivers Press, 2006 This is a wildly entertaining book filled with colorful characters and powerful, dangerous … Continue reading

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SF Paper Craft Models

This site has some pretty sweet paper craft PDFs you can download and assemble, including this incredible AT-AT. I know what I’m doing for the next little while. Link (via Boing Boing)

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Canon PowerShot firmware hacking

This firmware hack for some models of Canon A- and S-series cameras with DIGIC II processors adds additional functionality to your camera – the biggest being the ability to shoot in RAW format. You also get a battery indicator – … Continue reading

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How-To: Make an Xbox 360 laptop (part 1)

Engadget has posted part 1 of a detailed how-to on converting an Xbox 360 into a laptop. The making-of How-To for the Xbox 360 laptop will be in three parts. In today’s segment we’ll discuss the parts list, stripping down … Continue reading

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Viktor’s Amazing 4-bit Processor

This is an impressive feat: designing and building your own processor. I’ve been a software guy all my life. However, I was always fascinated by electronics, and part of my success as a programmer was due to my thorough understanding … Continue reading

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How-To: Make a solid-state A/V switcher

Engadget has posted a great how-to for building an A/V switch box. While “solid state” may bring bring to mind electronics from the 60s (or, in some cases, yet-unreleased flash hard drives), but in this case it simply means the … Continue reading

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Pimp Your Router

I recently upgraded the firmware on my Linksys WRT54G router with the latest DD-WRT v23 SP2 firmware, and it works great. Among many other new features, I can now assign static DHCP leases, which I couldn’t do before with the … Continue reading

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HOWTO Pan Roast Coffee

This looks like a good howto on pan roasting your own coffee beans. The only way to understand a coffee is to roast it. Depending on how far you roast a coffee it can have a strikingly different flavor and … Continue reading

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DIY PIC based kitchen countdown timer

Here’s another PIC project, this time it’s a countdown timer. Hopefully, no one mistakes it for a bomb. It’s a kitchen timer. Use it to time spaghetti, or maybe an egg. It uses two PICs, one acts as a keyboard … Continue reading

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DIY PIC Binary Clock

Walter Schreppers has built a nice binary clock controlled with a PIC 16F628 chip. Link (via hack a day)

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Make: The open source gift guide

Make Magazine has posted a great list of open source hardware and software for Makers. There are hundreds of gift guides this holiday season filled with junk you can buy – but a lot of time you actually don’t own … Continue reading

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