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

I agree. The basic schematic part symbols look very descriptive of their corresponding parts: a capacitor symbol looks like two parallel…
The zig-zag symbol is the ANSI (US) style, and the open rectangle symbol is the IEC (International) style. See…
Great feedback, as always :) Good point on the scientific notion. I assumed it would be understood, but I don’t think I learned about it…
First, thanks for showing the number of electrons needed for an Ampere of current, but you really don’t need to know “scientific notation”…
Thank God you decided against using Parylene. I am not sure why you think this is easy to remove or who have you really consulted on this.…
When will there be an Autonomous combat robot competition at AVC?
Suggestion; when assembling something that involves a screen, I would take the protective film off last to minimize scratching until turned…
That has not been my experience. I was unable to fix a board, or even test potential problem components due to this stuff. It gets…
This wouldn’t prevent tinkering, the coating comes off easy enough with an Xacto blade and, unlike some coatings, it’s clear which allows…
The speaker accessory would also be a good item to carry so customers don’t have to go to another site to get all the pieces they want.…

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