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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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Take 20% off most SparkFun Original boards today!

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First, it's a great project, and also a great way of keeping stuff out of the landfill! I have a few quick comments: First, running the…

I glad to see you used the right CE mark (CE Mark vs the China Export Mark). See…

Just solve the problem with different version of Eagle.

Hi, I have simmilar problem. Recently I bought CHM-T35A pnp machine. Now I am having trouble with ConvertToCharm.ulp. I am keep getting…

For this short a range, I can't help thinking that the RFM69s (or comparable) would have been much more savvy. (I'd will in general abstain…

We have several products that have gone through the FCC throughout the years (all intentional radiators, all used in airborne applications).…

@nate 1. Interesting! 2. I've worked with government agencies and various certification processes before, (but not the FCC), so "ah feel yer…

Thanks for sharing, Nate! A few years back, there was an "expert" who wrote a book (actually an "e-book") on getting FCC (and other)…

Thanks Nate, sharing this is Sparkfun at its best !

The LED is rated at 3W and the received power is about 136mW, so there's no need for a current limiting resistor. Best tip to reduce…

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