A Cherry MX keyboard for Eagle shortcut keys

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Fence-a-Mole: A real-world "fencing training" game made using XBee and the ADXL345

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Learn about the Propagand-Eye, a custom badge created for a soldering workshop at the Colorado Burning Man regional event, Apogaea.

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Here I've got 60 USB charger power supplies wired in parallel, just to see what happens.

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How a hamster ball and Blynk app can detect not only motion, but perhaps something paranormal?

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A lot of the questions we field are related to accomplishing something cheaper via DIY. Until recently, chances of succeeding were variable, but things are starting to change.

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A tour of our humble R&D abode and some of the projects we've been cooking.

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Enginursday: I2Considerations

In this Enginursday, we'll explore some of the problems that can creep up when connecting I2C devices

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-or- How I spent my winter vacation.

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Amazon has released an example allowing you to create an Alexa endpoint on a Raspberry Pi 3 (or 2B). It's free and open source, so you can tear it apart, see how it works and modify it as you see fit!

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This post explores how to use the power control features of the Battery Babysitter to make a product with the features we expect from portable embedded electronics.

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As I've been on location the past couple months attached to a secret project, I decided this week's build was going to be a motion detector I could use in the field.

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The market for connectors is enormous. Let's discuss how to find the connector that works for you.

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Learn the basics of SPICE simulation with Linear Technologies' free LTspice program.

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Our next installment in the Synth Saga fits in the palm of your hand!

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Q&A With Jamie Robertson of Robertsonics

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Setting up a sensor to text you if your basement is in danger of flooding

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Enginursday: The LoverMatic

Revisiting the venerable HaterMatic project, with a Valentine's Day twist!

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

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Looking to emulate modular synthesizers with the Teensy Audio platform? Read on!

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You need to reflash the firmware - see: https://github.com/sparkfun/SparkFun_DataLogger/issues/3 Once you flash using that command, you can…

I think I just overwrite the DataLogger IoT firmware was doing firmware update and accidently hit Arduino script file, instead of cool term…

Thanks for the great description! I hadn't even been aware of the existance of NNSS, though in the mid 1980s, I'd looked at LORAN-C for a…

Thanks for the L band sharing !

Over the years, I've been pretty vocal about wanting on-board RTCs, with at least the possibility of connecting something like a coin…

Not only does VBAT supply the RTC, but there’s also battery-backed RAM onboard too! With the amount of space available on the Thing Plus…

Interesting... it sort of covers one of my "hot buttons", that is having an RTC. In looking at the schematic, I noticed that the "BAT"…

But Social Engineer's LOVE him. Good job catching so many of the buttons social manipulators use, but I nearly thought Sparkfun was off…

There's a disclaimer at the very end, hopefully that's enough to keep people from attempting. Glad you liked it!

Update: I followed all of the steps listed in this guide. My computer is now virus-free! The fan keeps coming on and the hard drive is…

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