http://www.danielandrade.net Daniel Andrade Tech Stuff Sat, 13 Mar 2010 15:15:13 +0000 http://backend.userland.com/rss092 en The objective of this text is to help you to understand how Resistors work and use it in it's most simple use, as a current limiter. If you want to know more about resistors and leds, check Here and Here. http://www.danielandrade.net/2010/03/13/working-with-leds-and-resistors/ Electromagnetism is fun! http://www.danielandrade.net/2010/03/13/speeding-up-a-dc-engine-with-magnets/ During the First Meeting of Electronic Arts in Florianópolis, we built a Breathalyzer using the Alcohol Gas Sensor MQ-3 and a Arduino Board to use in the last day of the meeting, in which we gave a party. You can see a quick video two posts below. Last days I ... http://www.danielandrade.net/2010/03/07/building-an-breathalyzer-with-mq-3-and-arduino/ Hi everyone, I am blogging live from the CampusParty Brazil 2k10 in São Paulo - Brazil, it's something like a Lan Party but full of presentations, concerts and of course downloading... We have here a 10GB BandWidth internet, and there's a TV screen showing the bandwidth consumption, and we haven't ... http://www.danielandrade.net/2010/01/27/campus-party-brazil/ It happened last week, starting on Monday 11th January and finishing on Friday the 15th, the I Meeting of Electronic Arts, where people from many differet places of Brazil came to see what was going on. Our first idea was a meeting (de)constructive, build, hack, modify, learn, teach, freedom of ... http://www.danielandrade.net/2010/01/21/i-meeting-of-electronic-arts/ Christoph Rehage had an idea of going by foot from Beijin to Germany. He took some shots on his way and afther the trip, made a video. I saw this today and got amazed, so I decided to share with you guys. also I want to you all to have a ... http://www.danielandrade.net/2009/12/31/the-longest-way-10-by-christoph-rehage/ The thing that made me buy mac is that it has a OS based on Unix, and programs like Photoshop and Microsoft Office (not a big OpenOffice fan yet). Like a good nerd, I can't live without my beloved terminal, which makes my life easier. In this post I will ... http://www.danielandrade.net/2009/12/21/10-cool-things-to-do-in-osx-terminal/ This is a totally random movie I shot this morning after receiving some Magnets from DealExtreme. Tomorrow I will measure the force of this magnets with a "Gaussimeter", then let you guys know. http://www.danielandrade.net/2009/10/01/rare-earth-magnets/ Great movie! http://www.danielandrade.net/2009/08/19/google-13-years-in-2-min/ I recently got a Maxbotix LV-EZ4 Ultrasonic Range Finder to try understand how to use it with my little Arduino. Having a ultrasonic range finder can be very useful in many different projects, as it can detect objects, I can use it to make alarm systems (cars usually use this ... http://www.danielandrade.net/2009/07/26/ultrasonic-range-finder-with-arduino/