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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

You are correct about start mode. That was an over site on my part. I believe the mower will start in gear, with brake off but that's…

Thanks for the links. If there isn't a community there certainly should be. I know of several projects myself.…

This looks like a lot of fun. I would love to start a community around diy robot lawnmowers! Here are some folks I have followed for awhile.…

So far, so good! I do have a few thoughts to share, though: It seems to me that "START" mode should require that the SHIFTER be in…

I got the panelizer to work on my board, but the additional panels renamed all the components. If panel 1 has R1-R5, panel 2 has R6-R10,…

Welcome! Looking forward to seeing what you create and share.

There are a ton of incredible possibilities for applications with SDR! Anywhere from diving deep into radio astronomy to building your own…

Welcome Avra! I'm looking forward to what you bring us! Things have certainly changed in the 55 or so years since I started tinkering with…

Really looking for fun stuff in low cost software defined radio.

No doubt that in about 2070 there will be some looking back on it fondly... ;-)

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