How to use Qwiic connectors to make versatile control panels that can control a myriad of electronics projects.

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A brief overview of the new Raspberry Pi-based data-logging web server from Atlas Scientific

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A quick update on the SparkFun aquaponics system

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Check out the next chapter in the aquaponics automation saga. The project has moved beyond a small indoor system to automating an entire geodesic dome greenhouse full of many different systems.

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A brief overview of the numerous internet-enabled devices I've used to monitor my aquaponic systems.

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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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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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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 was guessing the other tube was a 6C4, and sure enough, it is. It’s basically half a 12AU7. You can find the manual here:…
‘773! As always, thanks for the stories! Not a PL-259?? Ah, crud. I think the reason I said it is is because when I first saw one, I went,…
For the longest time when I was growing up our main TV was a HeathKit that my father assembled, and never got around to putting an enclosure…
Pete, thanks for the fun video! Youngster, I hate to correct you, but those are NOT PL-259’s on the front. Off hand, I don’t recall the…
I was given a Heathkit IG-102 signal generator a few years ago that still works pretty well. Old Heathkit test gear is fun to play with
Quite a calculation you did there. Thanks for that.
Define better. I’m currently using some of the things I got from the last dumpster dive, and the rest of the things are in my “to find a use…
At least if I was going to buy these (tempting) - I’d strip those boards to the bone for desoldering practice rather than trash them if they…
As posted on the Youtube page: The winner of the Digilent Analog Discovery 2 USB Oscilloscope from ATP: Digital Circuits is Tanishq Jaiswal…
The information are useful to know the embedded sysytem. I was attend the inplant training in trichy for cse that helps to doa real time…

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