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SparkFun Electronics will be closed in observance of memorial day on Monday, May 29th. We will resume normal business hours on Tuesday, May 30th. Any orders placed after 2pm Mountain Time on Friday, May 26th will process and ship out on Tuesday, May 30th.

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

Right. See the tip detail picture on the product page. (xtopher also linked directly to the picture, above.)
Nope, they are correct. There are tiny (for lack of a better word) [prongs at the…
I do not plan to do this but it was interesting to see a bit of insanity and science at the same time. I have wondered about combining…
Although the text talks about 45° angle on the tweezers, they sure look like straight tweezers in the pictures (both here and on the item’s…
I’d like to try that! Ran out of time on this one though. I was thinking, I have 6 banks that can do 20A each, so why not 30V and 20A? That…
If there was no sustained arc with 5v… how would those supplies hold up to being placed in series?
Connect a load with lots of sodium to it like a pickle or a hot dog.
Don’t worry, I saved it for you. It’s on your desk
Marshall noooo, we already have a fork shortage in this building.

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