In this week's Enginursday, Joel shows off his aquatic turtle habitat, complete with an above-tank basking area, automated lighting, and an aquaponic feeding system.

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A look into our awesome solar array and what it's doing for SparkFun.

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Learn how data.sparkfun.com can help you not just collect data, but also use that data to make hypothesizes, see trends, and make adjustments to a variety of systems.

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Check out this video tutorial for building your own soil moisture sensor.

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Show us what you can make out of reused parts!

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How to create a simple and cheap time-lapse rig with the Raspberry Pi.

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Joel shows us how to build a handheld pH sensor to regulate his aquaponics system.

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I’d believe it. Thankfully I’ve never worked at such a place. (I’ve even gotten them all to purchase goods through SparkFun, although it…
This is an interesting article. So far I have not needed lots of anything, but I need many of few. I have purchased complete sets as I hate…
I should add that there are “managers” who view SparkFun (and others) as being places that (WRONGLY) can’t possibly supply goods of high…
There are some “professional” electronics folks (for some value of “professional”) who don’t go to SparkFun.com, but do visit DigiKey’s…
Just for kicks I started poking around and came across their “New Products” page. Found this little gem right at the top:…
I suggest you go read DigiKey’s history (you’ll need to click on the “Company History”…
I have some SmartThings sensors that need AAAA batteries and I bought some off Amazon. 14 pack for about $8.…
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…

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