An overview of America's most eclectic robotics competition

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I attended my first Dragon Con; here is some of the wearable tech I saw there.

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Five percent of customer sales go to the Electronic Frontier Foundation!

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You've officially got plans on Sept. 17.

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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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SparkFun and Kadenze are celebrating the Month of Creative Code – join us!

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Short Circuit came out 30 years ago today, you guys.

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Just in time for Arduino Day, we're bringing you the magic of infographics.

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We came; we saw; we soldered to our hearts' delight.

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A workshop you won't want to miss, and the chance to win $200!

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

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You get an LED! You get an LED! (Almost) EVERYONE GETS AN LED!

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Join our Google Hangout with Intel to learn more about the world of Edison!

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I think what you would want would be closer to…

since it's hard to find the exact specs of inductor here, can i use a toroid inductor?…

One more thought on security: On TV I keep seeing the police saying to NOT leave your garage door open -- that there are criminal types that…

Great demo of cryptography, Pete, but IMHO, for most folks it's vast overkill. The typical home robery is going to be done by someone,…

Ah ok, the inductor is the issue. When you pass current through a wire, it generates a magnetic field, the more current you can pass through…

https://images.app.goo.gl/1eWBwa143gdrzjnFA inductor is like that

Do you have a link to the inductor you're using?

i use a tiny neodymium magnet, 3x12mm. the inductor is really hot, but the magnetic field is really weak. i only feel a vibration coming out…

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