Arduino Day Deals End Tonight!

Take 20% off most SparkFun Original boards today!

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Pi Day 2019 Giveaway

Enjoy Pi Day with a limited-time giveaway!

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Spring Liquidation Sale is Happening!

We've sprung a leak of deals!

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Cyber Monday Deals Have Arrived

20% off most of our catalog through 11/26!

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The Qwiic Sale is Coming to an End!

Save 15% on most Qwiic boards through Wednesday, 10/31.

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Time-Saving Sale is on!

Save some time and some money on breakout boards and Qwiic this month!

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Liquidation Sale

Up to 90% off 50 sale items!

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Four Weeks of Free: Week Four

Get a Raspberry Pi Qwiic Kit with a purchase of $60 or more this week!

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Four Weeks of Free: Week Three

Qwiic boards are the deal of the week!

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Four Weeks of Free: Week Two

Get a Small Parts Kit for free!

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Four Weeks of Free

Here's your chance to get a special product for free each week of July!

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One-Day Sales in June!

A sale a day keeps the boredom away.

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Arduino Day Sale 2018 Ends Today

Get the deals while you can!

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15th Anniversary Sale

Discounts on some of the best products in SparkFun's history!

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2017 Black Friday and Cyber Monday Sales

It's deal time!

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The deals are back, online!

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Arduino Day Sale

Today's the last day to score deal on your favorite boards!

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Two new audio boards that utilize the InGenius and OutSmarts IC suite, as well as a new digital servo!

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Pi Day 2017

3.14x the fun!

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Annual Clearance Sale

Hundreds of products, and even more savings!

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Thanks for the great description! I hadn't even been aware of the existance of NNSS, though in the mid 1980s, I'd looked at LORAN-C for a…

Thanks for the L band sharing !

Over the years, I've been pretty vocal about wanting on-board RTCs, with at least the possibility of connecting something like a coin…

Not only does VBAT supply the RTC, but there’s also battery-backed RAM onboard too! With the amount of space available on the Thing Plus…

Interesting... it sort of covers one of my "hot buttons", that is having an RTC. In looking at the schematic, I noticed that the "BAT"…

But Social Engineer's LOVE him. Good job catching so many of the buttons social manipulators use, but I nearly thought Sparkfun was off…

There's a disclaimer at the very end, hopefully that's enough to keep people from attempting. Glad you liked it!

Update: I followed all of the steps listed in this guide. My computer is now virus-free! The fan keeps coming on and the hard drive is…

Nice job [REDACTED]! Very clever indeed. Top notch writing too. It had to have taken some quality time to put that piece together. I commend…

It looks like they do have one that works "Out of the box": [List of compatible…

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