Some of my favorite builds, hacks and projects from the past year

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Build a party decoration that encourages partygoers to dance!

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Deck the beards this year with addressable LEDs

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Importing custom artwork into a PCB CAD program is a fun way to personalize your board.

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Meet Feldi!

Get to know SparkFun's newest Creative Technologist.

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How to set up an Arduino as an in-system programmer (ISP) and program an Atmel ATtiny84A to blink

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The case for formalizing free exploration opportunities

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There are two basic ways to connect electronic components with two terminals: series and parallel. In this episode, we examine those two types of circuits and show how to calculate equivalent resistance.

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Power is the rate of doing work, and for electricity, that means the rate in which energy is converted in a circuit.

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Let's look at the resistor and how it affects current and voltage in a circuit. Here's a hint: if you know two of either voltage, current or resistance, you can solve for the third.

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In this episode, we'll explore how electric current flows through a circuit.

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Over the next few weeks, we'll explore the basics behind electricity in a series of videos.

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Let's dissect another section of EdiBot 2.0 and learn how to spin DC motors with Python.

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The newest version of EdiBot relies on contour finding in OpenCV to locate and chase yellow objects.

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How to make faux neon signs with EL wire and rigid aquarium tubing

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Adding a chronograph to a Hot Wheels track to measure the speed of passing toy cars.

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What's inside the crowd participation wristbands you find at major events?

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Recent Blog Comments

This is awesome! I'm doing something similar -- right now it's running on a pi-zero-w, but I'm looking into esp32 as an option (I'm serving…

Sorry about that. The other tutorials also had a slight change in the tutorial name. They are now linked properly. =)

Sorry about that. The name of the tutorial was adjusted for the product. It is fixed now! =)

The gator:soil got a guide that proclaimed it was retired, and the other two got the same resuilt as the microphone...

I just looked at the gator:microphone page, and when I clicked on the "Hookup Guide" box I got a…

If you are into this stuff, make sure to check out Flite Test on YouTube!

Great write up, and this sounds like a great way to spend a June day. I will definitely have to catch it next year!

I'll have to check this out next year. Looks like fun! Your photos came out great.

I'd Love to show you!, when and where?

I was remiss in not linking ARRL. This is a really great organization and they do tremendous work in education and…

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