The SparkFun LoRa Serial Kit is now enclosed, fully supported, and available!

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The SparkFun Blues Wireless MicroMod Starter Kit is now available, MyoWare 2.0 is back, and plenty of other new products are here this week!

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LoRa: Field Testing Antennas

Learn about three different antennas carried by SparkFun, and determine which will suit your long-range needs!

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With this tutorial, you'll be able to follow along as Mariah sends sensor data wirelessly using LoRa and two SparkFun LoRa Thing Plus - expLoRaBLE development boards.

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Happy National Radio Day!

Today is National Radio Day, and we've got tons of exciting info for you about radio, as well as some of our own radio tuner boards on sale!

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The new SparkFun Dual-Port Logging Shield for Thing Plus is now available along with the new SparkFun LoRaSerial Kit and SMA Magnetic Mount for our Swarm Cellular Board!

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Need more range from your sensor project? LoRa may be just the thing you need!

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See the full prototyping process of building a wireless system for business applications from the experts at Tincubate!

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We released two new STM32 boards yesterday, but we still have plenty more to talk about this week!

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New versions of our MEMS Microphone Breakout and LoRa Gateway are here!

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GNSS tracking has improved greatly over the past decade, but what about movement and position tracking without satellites? Is it even possible?

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Combine the powers of LoRa and BLE in a Feather footprint, and make sure to check out the new Loomia e-textile products!

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Really great article. I'm a high school computer science teacher and this is a great resource both for us but also for our First Nations…

Great article - thanks for presenting in such an engaging way. Many years ago I programmed in Ada - it was great to read the back story of…

The story goes that George Antheil was madly in love with Hedy Lamarr and this was an attempt to gain her interest. There are no documents…

I know a guy who is a big "fan" of IoT, even though he's not all that technical. His "day job" is as a business attorney, so he can afford a…

That's true, the blue LEDs would ideally have a resistor closer to 4x than 2x when jumping from 3.3V to 5V. I don't remember my original…

Thanks for your reply! Your "roughly double" resistances for 5V vs 3.3V imply that the difference between LED drop and 3,3V is same as 3,3V…

Your right, that would be a great way to fine tune the current for LEDs! You're also correct that the goal of this project was finding the…

Hi there! For the sake of brevity, I didn't go into full detail about how exactly I calculated the 5V resistor values. But in short, I took…

Responding to your note about the highly non-linear relationship between the pot position and the current -- a way to address this would be…

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