SparkFun: helping people throw stuff into space since 2003

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CubeSats will soon be traveling beyond LEO, and are available in a new compact size. We check in with the people pushing the limits.

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Dave and Mike launch a red SparkFun box on a weather balloon to the edge of the atmosphere.

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Mike and Pete take a road trip to an innovative aerospace conference to find out more about the final frontier for amateur spacecraft makers

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Dave talks about recent adventures taking radio equipment up mountains, and marveling at Mars.

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Check out the tutorial from SparkFun engineer Aaron's HAB launch.

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We take a trip to check out a different version of DIY and make some new friends on the way.

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Director of Engineering Pete Dokter plots the data from a rocket launch - and suggests a new method for testing SparkFun products!

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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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