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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I am a professional pyrotechnician and when I first read they were amateurs I got really nervous. Lots of people get a hold of our…
The idea of using WIFI to trigger explosives makes me very nervous. I’ve been working with WIFI (as in RF design and embedding in computing…
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How practical would it be to convert this to a bank system, i.e., instead of removing and adding reels one by one, all the reels could be…
Thank you, Nick, for this post! I am a straight guy, but have many LGBTQ friends, and have had many LGBTQ coworkers over the decades, as…
Thanks, Nick, for bringing us together here. I’m an out gay professional maker. It’s made easier by being in design, and even more by…
Quote: So hang in there, Nick. Tell your story, and be proud. Don’t let anyone tell you that you’re being disingenuous or exploitative.…
In my running around this afternoon, I noted that the Winco I went into wanted about $4 for a 4-pack of CR2032s, while Walgreens wants about…
AAA holders are a great option too, especially because those are a lot easier to find locally than some of the specialty batteries like…
One option I’ve used to power “wearables” is Adafruit’s 3xAAA with a switch which gives about 4.5V…

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