Giant pencil used as an Etch a Sketch stylus

The gang over at Waterloo Labs decided to add a team-building aspect to a plain old Etch a Sketch. Instead of just twisting the two knobs with your own mitts, they’re converting this giant pencil’s movements into Etch a Sketch art.

The challenge here is figuring out a reliable way to track the tip of the pencil as it … Read the rest

DyIO is a huge robotics development board

[Kevin] wrote in to tell us about the robotics development platform he’s been working on for the last few years. He calls his device the DyIO, and looks like an extremely easy way to get a robot up and running quickly.

Because the DyIO stands for Dynamic Input & Output, [Kevin] thought it was important to put 24 separate … Read the rest

iPhone to Arduino communications sans jailbreak

iphone_to_arduino

When Google released their ADK allowing Android smart phones to interact with Arduino-based devices, we’re sure there were at least one or two iPhone users who felt left out. Thanks to the folks over at Redpark, those people can now interact with an Arduino without having to jailbreak their phone.

For anyone looking to do any sort of iPhone/Arduino … Read the rest

Android oscilloscope

Here’s a 2-channel Oscilloscope for your Android phone. It uses a base module driven by a dsPIC for signal processing. From there, an LMX9838 Bluetooth module broadcasts the data to the phone so that the waveform can be displayed. [Yus] ported some Python code he had been using over to a set of Java and XML files in order … Read the rest

Android apps using Processing

Processsing has come to Android. [Jer] posted a guide to setting up the software and coding your first Processing app for Android. The module which supports Google’s mobile operating system is not yet part of the stable Processing release but it works and is available to download and use. It provides support for Android version 2.1 and newer, … Read the rest

GPU Processing and Password Cracking

Recently, research students at Georgia Tech released a report outlining the dangers that GPUs pose to the current state of password security. There are a number of ways to crack a password, all with their different pros and cons, but when it comes down to it, the limiting factor in all of these methods is processing complexity. The more operations … Read the rest

How to root a Nook

Here’s the latest in rooted consumer devices, nookdevs.com has rooted the Barnes & Noble Nook eBook reader. The process is extremely easy, as the operating system is stored on a 2GB SD card inside the device. In fact, once you have the case open the hard part is over. From there, the card should be backed up for safe keeping. … Read the rest