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27 aprile 2014 – 1° maggio 1994: sono nella mia casa di Torino davanti alla TV in attesa del GP, mia moglie decide di andare dalla sorella da sola perché sa che non mi muovo per nulla al mondo, nell’uscire …
[Afroninja] is back with another great tutorial on basic electronics. This time around he’s explaining H-Bridge motor controllers and how they work!
Even if you don’t have much (or any) experience with basic electrical circuits, [Afroninja] explains the concept of an H-Bridge motor controller in a clear, concise and easy way to understand. So what’s an H-Bridge anyway? For any project using DC motors, if you want to be able to spin up the motor in either direction, you’re going to need a method to power the motor in two different configurations, i.e. you’re going to have to swap the … Read the rest
Professional Web Icons for Your Websites and Applications
Professional Web Icons for Your Websites and Applications
Read more of this story at Slashdot.
Though this project uses an RC helicopter, it’s merely a vessel to demonstrate a fascinating machine learning algorithm developed by two Cornell students – [Akshay] and [Sergio]. The learning environment is set up with the helicopter at its center, attached to a boom. The boom restricts the helicopter’s movement down to one degree of motion, so that it can only move up from the ground (not side to side or front to back).
The goal is for the helicopter to teach itself how to get to a specific height in the quickest amount of time. A handful of IR sensors … Read the rest
Setting up JavaScript-based functionality to work across multiple devices can be tricky. When is the right time to load which script? Do your media queries matches tests, your geolocation popups tests and your viewport orientation tests provide the best possible results for your website? ConditionerJS will help you combine all of this contextual information to pinpoint the right moment to load the functionality you need.
Before we jump into the ConditionerJS demo, let’s quickly take a look at the Web and how it’s changing, because it’s this change that drove the development of ConditionerJS in the first place. In the meantime, think of it as a shampoo but also as an orchestra conductor; instead of giving cues to musicians, ConditionerJS tells your JavaScript when to act up and when to tune down a bit.
The post Frizz-Free JavaScript With ConditionerJS appeared first on Smashing Magazine.
Ubuntu 14.04 was released recently and as usual the other flavors of Ubuntu have also been updated to 14.04 including Ubuntu GNOME. Ubuntu GNOME tends to get overlooked a bit, given all the attention that goes to the main Ubuntu release. However, that’s a shame since it has quite a lot to offer anyone who prefers the GNOME interface to that of Unity.
Read more of this story at Slashdot.
[Till Handel] just put the finishing touches on a paper he wrote about how to build a cheap 3D scanner — mostly out of spare parts.
Using parts from old printers and notebooks, he’s cobbled together this rather rough-looking laser scanner. But don’t be fooled by its looks! It’s capable of scanning 360° around itself at distances from 0.3 – 5m, making it an excellent candidate for scanning rooms.
It uses a line laser and a webcam mounted on an arm driven by a stepper motor, which looks like it’s out of an old optical drive. An Arduino Uno and … Read the rest
20 aprile 2014 – Annuntio vobis, gaudium magnum: habemus Mattiacci. Per una fortunosa coincidenza con la Santa Pasqua, siamo qui, cari fedeli, a celebrare il miracolo pagano della morte e resurrezione della Ferrari.
Sono quelle magie che, di tanto in …
InfoWorld: With the release of Ubuntu 14.04 on Thursday, Canonical is attempting to further define how it stands out from enterprise-centric distributions.
Linode, provider americano specializzato in server VPS (virtual private server) e servizi cloud, ha annunciato un massiccio aggiornamento della propria infrastruttura di hosting inclusivo di nuovi processori, nuove tecnologie di storage e nuove capacità di networking.
L’investimento, che è costato ben 45 milioni di dollari e rappresenta il più corposo di quelli avventi durante gli 11 anni di storia dell’azienda, ha portato prima di tutto alla sostituzione dei dischi magnetici con supporti a stato solido (SSD) di prima scelta: ora ogni “linodo” (parola gergale nata dall’unione di “Linux” e “nodo”) è costituito da un SSD separato, dotato di performance e …
The post Linode: arrivano dischi SSD e raddoppia la RAM appeared first on Edit.
iPhone 5s: One of the best features on the iPhone 5s is the movement tracker, but you still need to grab an app to actually make use of all that data. You have a lot of options to chose from and now Runkeeper has their own with Breeze.