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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.

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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SparkFun pays a visit to iD Tech (& it makes our own childhood summer camp lanyard-weaving look really bad)

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This was my first year at the International Society for Technology in Education (ISTE) conference, and it was amazing. Here's a quick re-cap of the events

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How to make your own seismometer to measure ground activity, such as earthquakes and volcanic eruptions.

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A festive project from a local teacher using SparkFun Inventor's Kits!

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Join in the fun at a local event to celebrate Computer Science Education Week!

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SparkFun's Department of Education pilots a new curriculum!

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We partnered with a great non-profit to offer hands-on tech experiences for girls!

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Join the worldwide celebration of all things Scratch!

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With over 5 Million units sold in 2014 alone, Chromebooks are a growing trend among schools and homes. One of the biggest drawbacks to Chromebooks has been the inability to connect it to any hardware (i.e. Arduino) -- until now.

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SparkFun makes its triumphant return to the White House for the 2015 Science Fair!

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We've got tons of resources for you to check out!

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An experiential learning project to teach students in high school and college how to use embedded electronics to accomplish things in the field as a proof of concept. - By Daniel Blake

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Our very own Derek wrote a book! While we wait for the June publishing date, we asked him how it went.

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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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