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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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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Version 4.1 of the SparkFun Inventor's Kit for Arduino Uno is now available! We also have three new heatsink cases, and a fan SHIM for your Raspberry Pi 4.

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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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I'm using six of the same sensor in my fiber optic suit, with only four hardware configurable addresses. I need to take advantage of my ESP32 to create multiple I2C buses.

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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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What do you do after the SparkFun Inventor's Kit? The RedBoard Qwiic in your kit offers a world of opportunities – here are a few tutorials to help you dive into the Qwiic ecosystem with your SIK!

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What do you do after the SparkFun Inventor's Kit? The world of electronics using Arduino is vast – here are a few tutorials to help take your projects to the next level!

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USB-to-serial UART bridges like the CH340 make it easier to upload code to an Arduino and pass serial data to/from your computer. Make sure to install the respective drivers before getting started.

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Learn what a logic level is, and how to interface between different technologies, with a few of our tutorials!

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We shot for the moon to develop the next flagship microprocessor module that can be the mainstay for the next generation of development boards.

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We have ported another "still relevant" tutorial from our archives, and added additional content to make it even more helpful on your next project!

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Control a robot wirelessly with your hand using XBees, Arduino and an accelerometer.

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Using EL once again for my students' performance using a glove controller, XBees, EL sequencers and Arduino.

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Learn different ways to reduce the current draw for your next Arduino project.

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Control your RedBot programmed with Arduino using the wireless joystick and a pair of XBees!

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Let's take a second look at the Arduino Leonardo with Andrew Shepherd.

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The Sphero RVR and its Autonomous Robotics Kits are available for pre-order, along with the NVIDIA Jetson Nano. Also, since you asked for it: Arduino Pro Mini Starter Kits!

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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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