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Arduino Focus
Information regarding the popular Arduino microcontroller platform
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Tweeting Christmas Tree

Tweeting Christmas Tree | Arduino Focus | Scoop.it
It's Christmas season once again and that means its time to get together with all of your friends and family to share in the joys of the holiday spiri...
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Controlling fan or motor speed with PWM

Controlling fan or motor speed with PWM | Arduino Focus | Scoop.it
On the first part, I talk about switching any 12V DC or higher electronic components ON or OFF. This can be easily done using an optoisolator and a 12V reed relay.
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Hackers find a way to control Siri using brainwaves

Hackers find a way to control Siri using brainwaves | Arduino Focus | Scoop.it
Siri uses your voice to perform its tasks, but what about taking it to the next level by using your [...] (Inspired by MegaBrain 25 yrs ago I wanted to build device to issue brainwave commands.)...
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Arduino with TIP120

Arduino with TIP120 | Arduino Focus | Scoop.it
Hello again. So you have a DC motor or lamp but no matter how you connect them to your Arduino they just won't work? Guess what, the Arduino is a bra...
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Using Arduino to Interface with a Remote Controlled Power Switch

Using Arduino to Interface with a Remote Controlled Power Switch | Arduino Focus | Scoop.it
http://youtu.be/SOo79aiSxTk Ray connected an Arduino to a remote controlled outlet, allowing him to to do basic home automation on the cheap.
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Controlling fan or motor speed with PWM

Controlling fan or motor speed with PWM | Arduino Focus | Scoop.it
On the first part, I talk about switching any 12V DC or higher electronic components ON or OFF. This can be easily done using an optoisolator and a 12V reed relay.
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Controlling a 12V DC motor/fan with an Arduino

Controlling a 12V DC motor/fan with an Arduino | Arduino Focus | Scoop.it
Most of the Arduino runs on 5V and driving low power actuators like LED is fine with a  resistor but how do I control relays / motors / pump / fans that runs more than 5V ?
I get a lot of beginner questions like below :-

1.
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Arduino projects with blinking LEDs

These are two blinking LEDs projects, 220ohms. I joined the leds with the pins using the resistors, i used pin 1,2,4,6,8,9,10,11,12 as you can see at the cod...
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Building a Universal Remote with an Arduino

Building a Universal Remote with an Arduino | Arduino Focus | Scoop.it

Controlling consumer electronics using an Arduino.

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