How to add simple animations with LEDs to your projects using Arduino!

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Details from a project upgrading an old incandescent lamp to utilize addressable LEDs

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Check out our latest tutorial on levitating magnets and creating a wireless light!

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Building a DIY personal, portable, briefcase computer workstation with a Raspberry Pi!

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We added a follow-up GPS tutorial to increase your GPS skills a few weeks ago. Now we want to show you a practical example with a handheld GPS coordinate logger that will pin locations for your viewing pleasure using Google Earth.

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What do you do after the SparkFun Inventor's Kit for Arduino? Here are a few more tutorials to help take your projects to the next level!

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We collected over two hundred retired testbeds and turned them into art! Join us as we highlight this project and tell some of the stories behind these dusty old circuit boards.

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Many of us at SparkFun consume coffee for breakfast, maybe lunch or dinner, but for some go-getters it's all three. Join me as I dig into the habits and trends of our breakroom coffee setup.

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Ramp up your GPS tracking skills with KML files and Google Earth.

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The trials of setting up a Web Server with Bootstrap, SPIFFS and ESPAsync.

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Two new ways to follow along with each SIK project!

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The trail-ready lightning detector has been out in the wild getting some good use. As summer nears its end, it is a great time to take the project back to the drawing board and figure out what should be upgraded, what should be added and what can be removed – just in time for some fall outdoor adventures!

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More new project videos for your SIK v4.1!

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Here's a collection of fun ideas for any students going back to school this fall.

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A new way to learn electronics and programming from the SparkFun Inventor's Kit!

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since it's hard to find the exact specs of inductor here, can i use a toroid inductor?…

One more thought on security: On TV I keep seeing the police saying to NOT leave your garage door open -- that there are criminal types that…

Great demo of cryptography, Pete, but IMHO, for most folks it's vast overkill. The typical home robery is going to be done by someone,…

Ah ok, the inductor is the issue. When you pass current through a wire, it generates a magnetic field, the more current you can pass through…

https://images.app.goo.gl/1eWBwa143gdrzjnFA inductor is like that

Do you have a link to the inductor you're using?

i use a tiny neodymium magnet, 3x12mm. the inductor is really hot, but the magnetic field is really weak. i only feel a vibration coming out…

Check out the building tutorial here, which has a link for the inductor to…

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