An update on your friendly neighborhood Open Source Hardware Association.

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Want to build a little friend to buzz around your desk? Join us!

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You came, you saw, you wrote some amusing things.

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Check out this tutorial to get started with the Microview!

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We've got some tasty deals to help you celebrate 3/14/15!

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The release of Arduino 1.6 has really improved my Arduino-programming life thanks to custom platform support, command line utilities and line numbers!

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Meet SparkFun's shiny new reflow oven and stencil printer!

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We're crazy honored to be included in any competition where the winner gets to save the world AND go to space.

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We're heading to Austin at the end of this week -- we hope you'll join us!

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You thought we forgot about these, didn't you?

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Robotic arms, pulverized wood transformed into knowledge, a slice of Pi. Check out the new products for this week.

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A walk-through of building what turned out to be a complicated prop.

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Our very own Derek wrote a book! While we wait for the June publishing date, we asked him how it went.

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Products from both sides of the tracks. A new kit with Microview, and a bunch of cast-offs from production.

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Thoughts and ramblings about numbers, plus an interesting discovery.

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You've got questions about business; we've got answers. Probably.

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One advantage of having grown up in the 1960s was being able to get some useful things by tearing dead zinc-carbon batteries apart. And…
Digi-Key has two listings for AAAA alkaline batteries (and abut 30 for battery holders!). But the batteries are a…
Most of the pharmacies near me have them (I guess some hearing aids use AAAA?). Horrendously expensive, though. Had to look for some because…
Thanks! Looks like bulk is the way to go if I need some :)
I’m not sure what brand the 9V was, it was a long time ago. Maybe just get a couple different brands and pull them apart? I’m thinking the…
Who do we contact with rules questions?
I’ve seen AAAA before - where can you find them? Sadly, our 9V batteries aren’t made of them. I tore one apart for a video, and found it was…
Hi Shawn, Thanks for the great tutorial on batteries! I wanted to add something from my own experience. The standard 9V alkaline (and maybe…
I did my best to clarify the conventional vs electron flow, but I know that it always causes confusion. Don’t worry, I got the SLA from…
Now prepare for the Conventional Versus Electron Flow arguments, and don’t forget to put the Sealed Lead Acid battery back in the Emergency…

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