New short link!

quinta-feira, 10 de maio de 2012

Uma CANETA!

Isto é divertidíssimo, e Didáctico:



Giant Clicker Pen! 

We built this enormous retractable pen as part of our Kinematics class at BYU.

The goal was to build a mechanism big enough to teach and be handled by fourth-graders.
http://www.instructables.com/id/Giant-Clicker-Pen/




Neste caso, têem só o Vídeo, mas podem ver que é fácil de construir este amplificador de Sinal para as vossas antenas Wi-Fi, chapa de circuito Integrado, e cabos de Cobre!

 

HIGH POWER WIFI ANTENNA, Free Internet, Highly Portable, 16dB Gain, Almost a Dish!!

Uploaded by on Mar 15, 2010
This thing is the closest you can get to having a massive parabolic dish without having a massive parabolic dish.

Here is the detailed construction of a 16dB gain QUAD BIQUAD antenna. This is sort of a rare breed, something you don't see too often, but it's killer. It's a bit more difficult to make than a standard one-element biquad, but it's worth it. This thing is almost as directional as my 18" parabolic dish. Remember...the power (your signal) doubles every 3dB...this one's nearly 16dB ; )

With this I can get Linksys, Netgear, or D-link Access Points from over 2 MILES away.



Lembram-se do Pepakura?
Podem fazer ISTO, com esse Programa, uma série de Brinquedos Interactivos, para saberem quando vos enviam emails, por exemplo:


ReaDIYmate: Internet-connected toys made from paper

By Simon Crisp

Remember paper? It's that thin thing you used to scribble your shopping list on before everything was stored in zeros and ones. Well, it looks like paper is making a comeback … and thanks to the rise of the Internet of Things, it's now Wi-Fi enabled. ReaDIYmate is a recent Kickstarter-funded project, which enables users to create paper-based internet companions that respond to things happening in their digital life.



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