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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The AST-CAN485 is back in full force with a WiFi Shield and a 24V I/O Shield! We also have three new Qwiic boards from Zio and a GNSS Multi-Band Antenna.

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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…

I can't speak to the sale in terms of $$$'s (too early) but I can say that our Shipping team did an incredible job keeping up with the order…

Nice blog! How much resistance do I need for an LED? and one more thing can you give me the Tips to reduce the electricity bills.

That test report has a lot to say about Dell and Bluetooth 4.0 too.

I'm hoping that you'll let us know how the weekend looked in terms of sales... I was really surprised when I checked last night, and found…

What is the BCM abbreviation to expansion. Bit Count Monitoring or another etc . what ? I want to extensive research, but always find healt…

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