Four Weeks of Free: Week Four

Get a Raspberry Pi Qwiic Kit with a purchase of $60 or more this week!

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Four Weeks of Free: Week Three

Qwiic boards are the deal of the week!

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Four Weeks of Free: Week Two

Get a Small Parts Kit for free!

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Four Weeks of Free

Here's your chance to get a special product for free each week of July!

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Almost Free Day Recap

It went as planned, almost.

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Almost Free Day has arrived

Let the clicking commence!

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Almost Free Day Is Coming!!!

Save the date: 7/20/2016!

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Free Day 2013 has come and gone right under everyone's nose. Insights into US lottery law and the latest on education tours in the future.

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Check out the final installment of our Free Day Documentary.

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A reminder that Free Day credits expire soon.

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Check out the footage from our Free Day documentary teams.

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Our third Free-Day has come and gone and we have a few new products that some of our lucky winners might be interested in getting.

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Let's go over the numbers for Free Day 2012

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It's Free Day 2012! Tips on how to stay connected to SparkFun in a variety of ways during the mayhem.

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Free Day is only a week away! Are you ready?

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Have a webcam (or want one) and going to participate in Free Day?

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We want to come document your Free Day experience!

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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…

Nice initiative Dryw! But there's something a bit off in the "5V resistor value" calculations, supposedly using Ohm's law. The forward…

Minor issue: "Today's Deals" is still showing SparkFun Level Shifting microSD Breakout and…

That was fun to watch. Now to figure out how to ship the boards, inexpensively.

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