Rubik’s Cube for the blind

Check out this Rubik’s Cube for the blind. The idea didn’t start off as an accessibility hack, but instead as a way for [Brian Doom] to figure out where the face of each cube goes when manipulating the puzzle. It gave him tactile feedback and his ability to use it in dim lighting was when it dawned on him … Read the rest

How to make that old satellite dish cook all your meals

Grab that old satellite dish out of the dark corner of you garage and get those hot dogs ready. [Share alike license] is going to show us how to turn the dish into a solar cooker.

Harnessing the sun’s power requires a reflective surface. Although the image above makes it look like a mirror finish, this is really just … Read the rest

Nyan Cat: the PlayStation game

We’d bet you didn’t know there was a Nyan Cat game for the original PlayStation. Well, there wasn’t one until very recently. This isn’t a title that has been licensed by Sony, and we bet you won’t spend hours playing such a thing. But the concept has let [Haunted] hone his development skills.

We’re not certain how he’s getting … Read the rest

How to add audio in to the Sony NEX-5 line of DSLR cameras

[Tynan] loves his Sony NEX-5 camera but he’s fed up with not being able to choose any external microphone when recording video. Recently he set out to remedy that, and managed to add an audio in jack without modify the camera itself.

The real trick here is to modify how a microphone accessory connects to the camera. In [Tynan's] … Read the rest

STM32 F4 Discovery tutorial using open source tools

[Pulko Mandy] got his hands on the new STM32 F3 Discovery board. He’s a fan of the open source tools just like we are, so he posted a guide covering the use of an open source toolchain with the F3 hardware.

This board was just announced earlier this month but there is already support for it in OpenOCD. It’s … Read the rest

Tri-mounted monitors using strut channeling (no welding)

[Optec] want his own triple monitor setup built to his specifications. It turns out to have been a pretty easy project thanks to his mastery of stock materials. The image above is just a bit dim, but if you look closely you can see the strut channel which makes up the monitor frame.

When it comes to this type … Read the rest

Laser power system keeps UAVs flying indefinitely

Drone technology is driving the aerospace industry as companies trip over each other trying to develop the next big thing. Here’s a good example of what we’re talking about. Lasers can no be used to keep a UAV in the air indefinitely. The trick is to add an array of photovoltaic cells specifically tuned to an IR laser’s wavelength. A … Read the rest