Giving Old Appliances A Second Life With Simple Tweaks

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Cruising estate sales can be a total crapshoot – sometimes you find a goldmine, other times nothing but junk. [John Ownby] recently found a sleek-looking old blender at such a sale and decided to take it home. The chrome plated base and fluted glass immediately caught his eye, but he didn’t buy the blender so he could make mediocre frozen drinks – he wanted a lamp instead.

The conversion was fairly simple, requiring him to gut the machine of its moving parts including the motor and blades, replacing them with a small incandescent candelabra base. While his modifications themselves are not groundbreaking, taking them a step further would make for some really cool (and functional) retro house fixtures.

Indulge me for a moment, if you will, and imagine swapping out the simple incandescent bulb for some LED strips or even EL wire. Replace the blender’s cap with a small speaker, and you can use several of these together as retro-looking surround satellites.

We can definitely get behind his reuse of the blender, which would have otherwise likely ended up in a landfill. It’s great to see solid, durable appliances given a second life, even in ways which were never intended. Have you rescued anything from the trash heap like [John], or do you have other ideas for your fellow hackers who might come across similar goods? Let us know in the comments.

Overbuilding An ITunes Rating System

Even though iTunes and it’s song rating system has been around for over a decade now, [Steve] still hasn’t gotten around to assigning ratings to his vast library of MP3s. We can’t blame him – who wants to pull up iTunes every four minutes and assign a star rating to each song individually? To solve this interface problem, [Steve] set out to design a hardware song rating interface that fell down the rabbit hole into development hell.

The build started off simply enough – just an Arduino attached to a few buttons that sends data to a Cocoa app which rates the current song. Everything was working wonderfully until [Steve] restarted his mac and the COM ports went to pot. Wanting a ‘plug-and-play’ solution, he did away with the Arduino-based build and started designing a USB device that would display the current iTunes track and provide hardware buttons for rating the current song.

The current build is based around a very capable PIC 18F4550 micro. After looking up the USB HID protocol, [Steve] had some boards fabricated. He’s keeping us waiting on a final build report, but with the amount of work that went into this project, we’re sure it’ll be a winner.

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Hacking Hack A Day With Greasemonkey

Ever since Hack a Day first emerged on the scene in 2004, the site’s design has been pretty consistent. The black background with its green and white text, while a bit dubious looking at work, is fine by me. For others however, the site’s design is a constant eyesore both figuratively and literally. [James Litton] is one of those readers, and he wrote in to share a tip that helps him read up on the latest hacks without killing his eyes.

[James] uses Firefox to browse the web, so he whipped up a small Greasemonkey script that tweaks Hack a Day’s style sheet once it reaches his browser. His script inverts the background while changing a few other items, making for a much more comfortable read. Overall we found the change to be pretty reasonable, but go ahead and judge for yourself – you can see the before and after screen shots in greater detail on his site.

[James] also points out that the script should work just fine in Chrome, for those of you who prefer that browser instead.

So if your eyes are a bit on the sensitive side, feel free to grab his script and customize away – I don’t think we’ll be changing the theme any time soon.

Weekly Roundup 2/25/12


In case you missed them the first time around, Here are out most popular posts from the past week:

In first place is a post about a DIY ski lift that [Darrin] built. Why should you let a strenuous hike back up a snowy hill ruin your day when you can ski down the hill and then ski right back up it again? Way to go [Darrin]! You are our kind of lazy!

Our second-most popular post is a modern twist on the Nixie tube. This device is made from many layers of clear acrylic that have the numbers engraved onto them. The acrylic is edge lit to achieve a Nixie-tube look-alike.

Next up is a post about a clever way to check the accuracy of a watch. [th3badwolf] did this by making a video at one frame per minute and seeing what the second hand did. Under ideal circumstances, the second hand would stay in the same place for the whole video.

Take a look at this one! Did you think that a CNC machine needs to have a very rigid structure to control the cutting bit? This one doesn’t have any. You hold it with your hand!

Finally, we leave you with a repeat from last week. We didn’t post it this week but you guys just kept coming back for more of this post where [Superluminal] and some friends cast their wedding present for an unlucky bride and groom inside of a big sticky sugar cube.

3D Printed Lugs For Your Custom Bike

We haven’t heard much about 3D printing using stainless steel as the medium, but that’s exactly what’s going on with the lugs used to assemble this bicycle frame. They’re manufactured using LaserCusing, which is a brand name for parts produced using Selective Laser Melting. The video after the break gives you an overview of what it takes to clean up each of these parts.

The laser melts metal power to solidify areas needed in the final part. Just like the hobby printing we’ve seen on the RepRap or Makerbot there are structural supports necessary to complete the print job, and these need to be removed after the laser has done its work. This is where the majority of the labor comes in. You’ll see a ton of waste material pulled out of the cage-like lug, and we’re sure there’s no shortage of filing and polishing to finish up. But wow, what an interesting result. We just need to figure out if anyone has found a cost-effective way to hack together one of these metal-powder printers.

Continue reading “3D Printed Lugs For Your Custom Bike”

All PCB Quadcopter Makes The Most Of Each Component

It’s difficult to contain our excitement for this tiny quadcopter project called the Picopter. [Frank] managed to pull together an impressive collection of features when developing the project. First off, the quadcopter itself uses all-PCB construction. Even the supports for the motors are PCBs with keyed slots to mate perpendicular to the main control board, then held firm with solder joints. We think this will be a more resilient option than this other all-PCB build.

The control board seen in the foreground has an edge connector which mates with a Wii classic controller connector. This is what you use for flight control. But there’s even more. The pinheader just visible on the left side of the controller mates with a socket on the ‘copter board. This allows you to sync the two so that there’s no radio frequency interference, and recharge the batteries from a USB connection. Speaking of those wireless communications, [Frank] chose to use an ATmega128RFA1. This is a newer microcontroller from Atmel that has a radio built into it. Add a gyroscope sensor and some motor control and you’re in business.

Don’t miss [Frank’s] video after the break when he explains all of the goodies found in his build. Continue reading “All PCB Quadcopter Makes The Most Of Each Component”

Touch-based Wirless RGB Lamp Control

[Alex] built an add-on board for his TI launchpad that lets him use it as a wireless controller for an RGB lamp (translated). As you can see above, the board has a pair of female pin-headers which make it easy to install or remove the board. This way you can use it for other projects without any hassle.

The board itself doesn’t have any buttons. Instead, [Alex] etched a two-sided PCB, including pads for use as capacitive touch sensors. Here we only see the underside of the board, which hosts four RGB LED modules. These give feedback by showing the levels which are about to be set for each color. In the clip after the break you’ll get a good look at the touch sensors. There are two that act like buttons, scrolling through each color channel, and sending the updated values to the lamp via a wireless module mounted on that same side. There are also four pads which act as a slider. We didn’t see any code but apparently this uses one of TI’s touch sensor libraries.

Continue reading “Touch-based Wirless RGB Lamp Control”