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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Correct, you really shouldn’t be touching the metal parts of the probes if you don’t want to introduce your body’s resistance, unlike what I…
I was taught that when measuring resistance you should not be on parallel with the device. This because the human body has its own…
It looks like there’s a written tutorial for soldering, but a short video might be nice. It’s always good to see the right way to use tools…
Absolutely, we already have one in progress and plan to release it when the Sweep officially goes live.
Any chance we could get a demo video of the sweep? Preferably with some outdoor testing? That would be cool to see.
How about “Jarvis, kill Alexa”? :)
About “normal” operations on Jan. 16: Banks and the Post Office will be closed for MLK Holiday, though UPS and FedEx will have normal…
I would have been thrilled by “How NOT to use a multimeter”.

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