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## How I have increased the battery life of my Arduino project by 3000%

Yeah, I’m not kidding! What I’m about to tell you will increase by 3000% the battery life of your Arduino project if you are using LEDs. I want to give you an example: If you turn ON a lamp it will consume tot watts – for example 100 Watts. Now, if...

## [TUTORIAL] How to make the WALLED game step by step – Part 2

In the previous tutorial we learned how to make the “man” of the WALLED game and how to move it. Today we start to build the descending walls and its gates that will be crossed by our man! Let’s start inserting the walls variable. Step 1: Make the...

## [TUTORIAL] How to make the WALLED game step by step – Part 1

Making a Game for KeyChainino is really easy. To prove that, I decided to realize a tutorial to design the WALLED game step by step in a really easy way. The goal of this game is to move the “man” (a dot) inside the walls’s gates that coming down...

## How to solve your electronics writer’s block

Days ago, I thought that, when you have completed the Arduino handbook, when you have bought all the sensors in the market, all the shield that you can buy, you may think: I have all I need to make my newest project. Yeah. A New – Cool – Project! Awesome....

## Arduino LEDs shield? No Thanks!

Today I searched on the web for some LEDs Boards for Arduino. I found a lot of really cool stuff! There was a shield for Arduino with many LEDs using Charlieplexing Matrix, a shield with some RGB LEDs, LEDs displays with thousand LEDs that comunicate with Arduino...

## How timer overflow interrupt works

Hi Guys, Today I want to show you how timer overflow interrupt works. All the timers in Arduino microcontroller – and in every microcontrollers – are a simple counters. These counters are increased – usually – by the main clock of the...

## How to go forward with your passions

Today I was talking with a friend of mine who said me that he loves all things that concern mechanics. So he loves to put his hands in the oil, get dirty with grease and other stuff like that. Initially I was surprised, a little bit scared. He loves get dirty....

## Good news!

Hey guys, Today #KeyChainino was featured from Adafruit and Atmel! If you missed it, here the two links: Adafruit Atmel Well, i’m working hard to produce more KeyChaininos and to make a good Instructables that explain, step by step and in detail, how the...

## Would you like to show your electronics creation to your friends?

When I was eight, I made my first game. A wonderful game for a kid like me. It was a simple peaces of rigid wire twisted around, connected to a pole of one battery. The other pole of the battery was connected to a lamp and the other pole of the lamp was connected to a...
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