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SparkFun Electronics will be closed on July 3rd, 2015 in observance of Independence Day. Any orders placed after 2:00pm MT on July 2nd will be shipped out after the weekend. Thanks!

We sponsored an electronics lab at Skyline High School as part of the Race to the Top grant program!

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Julián is joining us from Argentina, to work on adding SparkFun parts to his miniBloq programming environment!

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Why do we feel a tingle when we lick a 9V battery?

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Today's the day! Join us as we build a random pick-up line generator on this edition of SparkFun Live!

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We have a whole lot of new products this week included some new RedBot components, revisions, and more!

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A quick hardware teardown on some key-chain games.

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SparkFun Education's National Tour traveled from Virginia, down through Florida, up to Nebraska, back down to Arkansas and then home to Colorado, teaching microcontroller technology all the while. Mini Coopers, Open Source Hardware, LEDs, John B., flamethrowers and balance bikes.... Oh my!

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Beatty Robotics is at it again, building a custom robot at the behest of Actobotics!

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How SparkFun has maintained a high dog:human ratio as the company has grown up.

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A new Arduino offering from Intel, and another Robotics 101 video.

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A few us from engineering got to attend the Consumer Electronics show in Las Vegas earlier this month. Here's some of the stuff we can show.

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Congrats Member #468914, you're the proud owner of the Kits Kit!

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Join us for the next episode of SparkFun Live with Toni building a random pick-up line generator.

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Live in Colorado? Or anywhere even kind of near? Denver Maker Faire is approaching!

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Do you use the SparkFun Inventor's Kit in your classroom? This contest is for you!

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A small contingent from SparkFun will be in Amsterdam in February for FITC 2014. If you're in that neck of the woods maybe we can drop in on your Hackerspace!

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Nest Labs keeps churning out cool gadgets - let's see what makes them tick!

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Demos, videos, and products. Check out this week's offering of new goodies.

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Quad Fever!

Quadcopter fever is spreading through SparkFun! Of course we're going to hack them.

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Get your captions in for a chance at an exciting prize!

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Recent Blog Comments

Isn’t the 2n2222 an NPN transistor? The schematic on the whiteboard seems to show it as PNP
What happened to #42? Hang on, let me find my towel.
I first learned about charge pumps many moons ago. I built a high voltage charging circuit for a photoflash cap – something like…
Do atmosphere contaminants have any effect on this? Like dust in the upper atmosphere?
Thanks for another cool video, Pete. I don’t have an immediate need for a charge pump, which means I’ll probably build this very soon. :)
Charge pumps are fun and a very handy circuit! Thanks for the video Pete, always informative and entertaining. Oh, and your mention of the…
Got some LED Filaments and they are pretty cool. [Closeup of…
Alright. Dont forget your safety goggles though. http://www.thingiverse.com/thing:647883
For the timing, I wonder how well either: A) Use the Q and /Q (not Q) outputs of a JK flip flop with the J and K inputs held high and a…
I went through a very similar exercise in developing an H-bridge not too long ago. In my case, I was translating TTL into +/- 12 VDC for an…

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