A new Qwiic pHAT for Raspberry Pi, a new version of the Nvidia Jetson Nano, and a new and improved moto:bit for micro:bit!

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Using cryptographic authentication, we created a super-secure remote control to open a garage!

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

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Come Work for SparkFun!

We have several exciting positions open that we think you might be perfect for!

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The new SparkFun Sensor Kit is now available with new Latching Terminals!

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Deck out your Sphero RVR robot with a Raspberry Pi Zero W, remote pan-tilt camera, and some Qwiic components!

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A new version of the Apollo 3 Core has been released!

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We are now carrying a whole new line of FPGA products from Alchitry!

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Let's take a look at what makes 'main()' feel so cozy and welcoming - what has to happen to have variables initialized, objects constructed and stacks a-stackin?

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2019 was a huge year for us, and we thank each and every one of you for it!

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For our last release of 2019, we have a new RPLIDAR from Slamtec, a new FLIR Dev Kit, four new cases for your Raspberry Pi 4 and two Zio Qwiic sensors. And a partridge in a pear tree.

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This is the third post in my ongoing ESP32 Relay Web Server project.

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Have a safe and happy holiday, everyone!

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Two GPS boards utilizing the NEO-M9N module are now available, along with the new Cthulhu Shield

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A quick recap of all that Supercon 2019 had to offer.

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All About LEDs

We’ve put together a page dedicated to LEDs! Size, shape color, brightness, power and more are all explained in-depth!

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After years of thinking and talking about it, this year the Hackaday Supercon finally released an FPGA-based badge.

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New kits for Sphero RVR are now shipping, and the micro:bit Club Kit and new PICkit 4 are available too! We also have a special surprise for the last day of our Week of Deals Sale...

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

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Last week, we showed a classroom of fifty-five developers how easy it is to work with the SparkFun Edge Development Board using the Arduino IDE. Now we want to show you, too!

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Recent Blog Comments

I think what you would want would be closer to…

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…

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