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

Great write up. Can you manually generate a placement file for this machine?
Yes! As sent out on social media channels yesterday (I think it went out, anyway): The winner of the Digilent Analog Discovery 2 USB…
Nice post (as usual), but I’m really happy to see it done as text & graphics instead of a video. Much faster delivery of info, no audio…
Sort of related to my previous comment, but more relevant to Sembazuru’s comment: Yesterday I happened to recall an incident back in the 90s…
Nice combo of visuals and detail! Also any update on the giveaway?
Lasers are neat, but I’m still amazed that we can measure these picosecond flight times with enough accuracy to get millimeter resolution.
Thanks for your advice on this 773. I’m glad to hear, in your opinion, we should be safe at 0.15% Sb. I’m sure you’ve already read about…
Hey 651, Glad you enjoyed the video! Definitely not spam to mention other PCB fabrication options. It’s truly amazing how many great deals…
I appreciate the complement! Unfortunately, I’m not sure if/when I’m going to get to that part of the project. Hopefully I can point you in…

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