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 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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Recent Blog Comments

If the analysis based on ‘codebender’ usage, no statistical veracity. If just an advertorial, then understand basis of the blog entry.…
How about having a pie chart showing the relative percentages of (recent) SparkFun sales of various “flavors” of Arduinos and compatibles?
Downside to the Trinket (from Adafruit) is that it has a “faked” USB connection – it reduces parts count (thus both price and size), but it…
I don’t mean to sound rude, but claiming that these numbers actually represent Arduino usage at large is a stretch, at BEST. I’ve never even…
Let the staff relax, have a few cold ones and start filling orders again the next day. ( I would wager that racking up time-and-a-half eases…
The ending time didn’t end up biting me, but a co-worker was looking through stuff trying to decide on his first Arduino purchase, then he…
I like the Pro Minis as well (never used a trinket). I have to agree though, I think the basic Uno and Redboard users are a lot more likely…
Hey Steve123, Vasilis from codebender here. The whole pain in the 32U4 comes from mainly the way it’s programmed, which is a hack upon a…
FWIW, personally my “favorite” is the 5V ProMini, second is the 5V Trinket, third 3V ProMini. I guess Trinket owners, like me, don’t use…
“The Leonardo, by the way, is much lower than I expected. It goes to show that issues with the way the Leonardo’s programming was…

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