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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've submitted some great proposals to SXSW and we need your help to get them accepted!

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We've submitted some great proposals to SXSW and we need your help to get them accepted!

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Check out some of the highlights (and lowlights) from this year's AVC!

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Join us at the reservoir or on the livestream!

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A montage of photos from events we've visited thus far in 2014.

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Calling all AVC Spectators - it's nearly time to get your proof of concept turned in!

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Guest blogger and chair of the 2014 Open Hardware Summit, Addie Wagenknecht breaks down this year's participation call for the summit in Rome, Italy.

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Today we are live streaming our Pure Data & Arduino class.

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SparkFun is celebrating National Teacher Appreciation Week!

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The Ara Modular Smartphone Developers Conference was on April 15-16. We were there. This is what we learned.

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Helping out our furloughed friends, one kit at a time.

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Monday, November 26 is Cyber Monday and SparkFun is getting in on the action.

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SparkFun went to Maryland in August to teach the teachers. Check out our adventures there!

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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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