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segunda-feira, 1 de setembro de 2014

A Bolsa, através do Raspi? E 3D em Fibra, um T-Cóptero, e uma Parede Insonorizada

Têem Acções na Bolsa?
Acompanhem os Valores da Bolsa, através deste Raspi, que pode estar ligado a toda a hora, mesmo quando o vosso PC não está...

Getting Stock Prices on Raspberry Pi (using Python)
I working on some new projects involving getting stock price data from the web, which will be tracked and displayed via my Raspberry Pi. I wanted to share the setup on how to do this using Python.
This short Instructable will show you how install a stock querying library to get (mostly) realtime stock prices using Yahoo Finance API. There's no GitHub involved!
You can also use this stock price-gathering engine on any Linux server.

Eis uma Impressora 3D para um Filme do Homem-Aranha!
Mas sériamente, quando pensamos em Fibra-de-Vidro, já se vê como se podem um dia fabricar coisas como Capacetes, peças de Barcos e Aviões, etc...

Fiber Composite 3D Printing (The Bug)
Sebastian Morales

Think of this machine as a very friendly sculpting spider.

For my last semester as an undergrad at IIT, I decided to give my education a twist and create my own research project. Fascinated by natures way to fabricate, I got inspired to create the Bug, a 3D printer-like robot that can create using composite fibers.



Um T-Cóptero, é uma configuração com várias vantagens sobre os 'cópteros que já existem, como ser mais resistente, e ficam a conhecê-lo, aqui, juntamente como calcular o vosso próprio T-Cóptero, uma autêntica Iniciação aos 'Cópteros de toda a espécie:


Cheap, crash resistant portable T Copter 
All that i do

Hello People of the world.

One fine morning, I woke up and decided to find out what is going on in the world of aeromodelling. I was surprised to see the world had been overtaken by drones. There were multirotors everywhere and everyone was making one for themselves.

So I decided to make one for myself. Being always out of cash I was hell bent to make something that was cheap. And since the only mode of transport I have is my trusty 3 yr old Honda motorcycle, it had to be portable as in backpack-able. As it goes without saying, it had to be crash resistant as this would be my first multirotor.
A portable , crash resistant T-copter seemed to be the ideal candidate for this adventure.

In this instructable I will stress on how to make the frame rather than going into the intricacies of the electronic component selection and their settings. There are a lot of websites which provide enough information on those subjects. A quick google search should do fine. (Edit : I did add basic info for the benefit of any person new to all this)

Um Engenhocas precisa às vezes de ter máquinas algo barulhentas a funcionar, (Hé, hé, hé...) ou precisa de fazer experiências com Som, ou lá o que seja, pois cá está como o podem fazer, sem incomodar os vizinhos ou a Família!

Build a Soundproof Wall 

Up until recently, the only thing between my room and the one adjoining was a set of double doors. I like living with people and do so by choice, but being able to hear someone's entire phone conversation word for word seemed a little much. So I set out to build a more proper wall between us, and in the process learned quite a bit about soundproofing. It worked out great, as now we can barely hear each other when talking at a normal volume. Success!

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