How to set up an Arduino as an in-system programmer (ISP) and program an Atmel ATtiny84A to blink

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When writing a library, pass in I2C ports to make the library more useful on different platforms.

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It's a known trick that we can use LEDs in reverse. We'll explore how to use them as photodetectors with Arduino and create a simple demo that responds to hand swipes.

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Here's how you can use boards with your Chromebooks in makerspaces, libraries and schools

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How to make your own seismometer to measure ground activity, such as earthquakes and volcanic eruptions.

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Our biggest sale on Arduino is happening all weekend, and we have new products as well!

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Just in time for Arduino Day, we're bringing you the magic of infographics.

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Deals so good you'll think we're joking, but we're not.

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Reagan talks about making the CubeRinth Maximus for Two Bit Circus.

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SparkFun's drivers for MS Windows are now signed!

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SparkFun: helping people throw stuff into space since 2003

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This post highlights my method of creating the control system for our AVC battle arena.

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Ever wonder how the Arduino IDE translates your code into instructions for the processor?

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Earlier today, Arduino announced a new partnership with Microsoft and special support for Windows.

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A look at implementing the Arduino blink.ino sketch as an explicit state machine. To further explore state machines, an alarm clock state diagram is drawn and implemented.

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We want to update our customers on where we stand with the on-going Arduino saga.

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Celebrate Arduino Day with these great deals!

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This coming Saturday, March 28th, is Arduino Day - celebrate with us!

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Hello, its over 2 years for this topic but still I hope someone will reply. I am interested in what IC they use here for battery charging?
Interesting article thanks. Just a minor thing, some people struggle with the concept of current flowing through a coil and potential…
New link to the Electronic Design article cited: http://electronicdesign.com/archive/rise-and-fall-heathkit-and-rise-sparkfun is a very…
I can do anything, I tell you! It’s always an excuse to get that next tool, or buy it again because I don’t remember buying it two years ago…
Thanks for this! I was left with one more question though. Maybe this is obvious: more power should mean more vapor. But, if it’s heat that…
What a great article. I have been toying with the idea of creating a smoke machine for an electric rc plane using vape mods. I am not…
Well, I did wind up building it. Lot of fun so far. It’s only in the basic breadboard stages so I’ll post pictures later. I don’t have much…
If you measure the resistance of your test leads, I think you’ll find them equal or greater than the vape coil. If that’s the case, 2/3 or…
There are many studies that confirm this. Here is a brief synopsis…

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