If you've ever wondered what possums get up to at night, RFID can shed some light.

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GPS-RTK, Down the River

We test out our new GPS-RTK Dead Reckoning Boards by sending them down the river!

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We've built up a starting kit for Alchitry FPGA and we're releasing new Teensy boards with headers!

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Let's go over when something like an Arduino or Teensy is more appropriate than using a Raspberry Pi.

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Let's take a look at our Lumenati and LuMini addressable LED boards and what you can make with them!

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Learn what circuit sculptures are and the few that we've made since quarantine started.

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A new version of the popular OpenMV H7 is here, along with a new TFMini LiDAR Module and a string of addressable lights!

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Overview of a small, home-built cart to make soldering, reworking, and electrical testing easier at home

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Marcus demonstrates how the Qwiic System makes it super easy to build a novelty sound maker with a capacitive touch interface.

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When a GPS module with a small footprint and extreme accuracy is needed, GPS-RTK2 is just the thing.

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With the release of our Alchitry FPGA boards, we have a new resource page for you to learn more!

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In a previous blog post we showed off a custom macro keyboard. In this week's post, we update it to make it wireless!

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SparkFun now has a variety of development kits, all of which utilize the new Raspberry Pi 4.

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Introducing SparkFun Services

SparkFun’s value-added services leverage our expertise and capabilities to help you achieve more.

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The Qwiic MicroPressure Sensor is now available, along with a slew of new Flirc products!

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Using the ESP32 Thing to make an adapter for my headphones

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Remember that Magic Mirror? We now have a tutorial surrounding it, and we've done some super sweet formatting with CSS! Check it out!

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So you want to talk about RFID

Let’s talk about RFID technology. Where did it come from? Where is it now? What can you do with it? What did I do with it? Take a look at this video, and all (or at least a tiny bit) will be revealed!

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Just got one of these in the mail manufactured by from Marc Media. It contains a Quectel BG95-M3 celluar board, a Miot 3v042B antenna and an…

I still have a self-hosted Phant instance (really!) for my IoT logging. Do you have any recommendations for a work-alike or work-similar…

I know that radar to measure speed (such as police use to check the speed of vehicles) uses doppler shift to measure the speed. The thought…

You need to reflash the firmware - see: https://github.com/sparkfun/SparkFun_DataLogger/issues/3 Once you flash using that command, you can…

I think I just overwrite the DataLogger IoT firmware was doing firmware update and accidently hit Arduino script file, instead of cool term…

Thanks for the great description! I hadn't even been aware of the existance of NNSS, though in the mid 1980s, I'd looked at LORAN-C for a…

Thanks for the L band sharing !

Over the years, I've been pretty vocal about wanting on-board RTCs, with at least the possibility of connecting something like a coin…

Not only does VBAT supply the RTC, but there’s also battery-backed RAM onboard too! With the amount of space available on the Thing Plus…

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