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Nate has written two new tutorials - learn about setting up a rover base RTK system and how to build a GNSS reference station.

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Check out a new interview with Nate!

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The costs and time required to get the world's first open source BLE module certified with the FCC.

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Any FCC certified module needs a tin can to protect and prevent RF emissions. Check out how we did it for Artemis!

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Learn how we created our own SMD module using PCB tips and tricks for blind and buried vias.

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Do you need an LED? The answer is always yes. But what if you need one right now? Build yourself an LED gumball machine and never run out again!

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To celebrate our "crystal anniversary," here's a collection of the stories, blog posts, products and adventures from 15 years of making crazy things.

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A tour of our humble R&D abode and some of the projects we've been cooking.

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We use serial communication all the time. But why are we using multiples of 300?

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Let's welcome Glenn Samala to his crazy new family.

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With an FEP, an FIR and a DP, we have a winner!

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When things become sentient, it's good to be able to remotely kill power.

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Our fearless CEO details his data-logging work on SparkFun's hive

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It's time to get back to building crazy stuff.

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A simple non-spammy trick to double the speed you upload to your Arduino board.

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Few funding campaigns pull heartstrings while actually doing measurable good. Jerry, impressively, is doing both.

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After a bit of searching (including some educated guesses), I've come up with the specs as to how the buttons on the earbuds work from the…

(I realize I'm a bit late to the party, but the idea didn't occur to me until recently...) I get sick of listening to all of the ads from…

Have to admit - never expected Sparkfun to indulge in this bitcoin nonsense. Of course, you are only following in the footsteps of those who…

Haha! Yes, we can assure you that these are definitely more legit than those annoying comments. Thanks for asking!

Well, I'll have to admit that it sounds a tad bit like some of the "get rich quick" scams that seem to crop up in the comments (until the…

Am I missing a more detailed post that elaborates the process and cost of the FCC process? I really need this information.

This is an amazing article!

probably wont get answer as post is 3yrs old lol but ive bought a faulty eveready torch like this and im pretty sure the transformer is…

Looks like the Raspberry Pi Pico is popular! It only came out yesterday, and both SparkFun and Adafruit are sold out on it already! Also,…

This is really interesting.. I have an older bed from the same "popular brand" and I think mine is too old to be supported by a smartphone…

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