LEGO jukebox choses from different CDs

lego-jukebox

Music used to be delivered on round plastic sheets called Compact Discs. [Ralph] still has some of them lying around which he used in his latest project. It’s a CD changer built out of LEGO pieces. It reminds us of the mid-century jukeboxes that changed out 45s on a record player.

You can’t tell from this image, but the … Read the rest

Hackaday Links: Sunday, April 21st, 2013

hackaday-links-chain

Regular reader and master hacker [Bill Porter] got married. Congratulations [Bill] and [Mara]! The two of them just couldn’t leave their soldering irons at home. The actually swore their vows by soldering together a circuit during the ceremony (blinky wedding dress, el wire tuxedo, and all).

[Kevin] sent in a link to [Red Fathom's] hacked Wacom tablet. It’s the … Read the rest

Measuring the lifespan of LEGO

lifespan-of-LEGO

How many times can you put two LEGO pieces together and take them apart again before they wear out? The answer is 37,112. At least that’s the number established by one test case. [Phillipe Cantin] was interested in this peculiar question so he built the test rig above to measure a LEGO’s lifespan.

The hacked together apparatus is pretty … Read the rest

LEGO stylus solves Ruzzle tablet game

mindstorm-ruzzle-solver

This grid of letters is a puzzle game for tablet devices called Ruzzle. The contraption attached is an automated solver which uses LEGO Mindstorm parts to input the solutions on the screen. [Alberto Sarullo] is the mastermind behind the project. As you can seen in his demo video after the break he has a flair for the cinematic. But he … Read the rest

LEGO LP Player

This LP player is made entirely out of LEGO parts. It plays the songs encoded on each record, but not by using a stylus in a groove. Instead, each LP has a color code on the bottom of it which is interpreted by the optical sensors underneath.

In addition to its functionality [Anika Vuurzoon] made sure that the build looked … Read the rest

LEGO Record Player

Some people claim that the sound of vinyl is superior to digital playback. While this hack wont win any awards for audio quality, [Ryan]‘s LEGO Record Player is a unique use of one of our favorite toys. Most of the components including the tone arm, counterweight, and base, are built entirely of LEGO. A large gear from an educational construction … Read the rest

Tens of thousands saved by building a BAM microscope out of LEGO

A Brewster Angle Microscope (BAM) can run you around $100,000. If you don’t have that lying around you could just use some LEGO pieces to build your own. Having been faced with no budget to buy the hardware, and needing the data to finish his PhD, [Matthew] figured out a way to build something passable on the cheap.

These … Read the rest