Build three simple electronics components using soft materials.

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Some of my favorite builds, hacks and projects from the past year

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Hundreds of products, and even more savings!

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These Raspberry Pi tips and Python tricks let you take your sensing projects off the desk and into the wild with wireless transmission and processing of data.

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Build a party decoration that encourages partygoers to dance!

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Two new LilyPad products are now available! To go along with them, we have a new Mini GPS Shield, Flip-Pins and two new Edison kits.

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Check out the new and improved, tightened-up SparkFun Eagle libraries - now with uniformity, verified packages and documentation!

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Deck the beards this year with addressable LEDs

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Two Modulo educational kits, a Raspberry Pi book, and a new kit from BITalino!

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We rag on the patent system pretty often here in Open-Source-Landia. Let's take a look at a few positive contributions patent holders are trying to make to our lives!

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If you order batteries from us, you'll want to read this.

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Importing custom artwork into a PCB CAD program is a fun way to personalize your board.

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We use serial communication all the time. But why are we using multiples of 300?

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Our new 9DoF Razor IMU leads the pack, followed by a MAX30105 Breakout, two new Teensy boards, and a tall RPI GPIO header!

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Recent Blog Comments

Erm… when my engineer co-workers and I are joking about speccing cheap, slightly sketchy power supplies because the customers will never…
“According to Pete - Current Sensing” video is marked private and is not accessible. Please fix the issue. Thanks
The efficiency values stated are usually at 100% rated output. The “quiescent” power will be somewhat less than the “inefficiency” (that is,…
I think it would be a service to the less experienced to make it more clear in the description that the outputs of the [dual…
I’m not an electrician, so take this with a grain of salt, but you have to switch on the DC side of the power supply. This means the power…
Nice. You remembered to put in the requisite coffee mug ring on your hand drawn schematic. Very classy. :-D
While we are being pedantic, it isn’t just MOSFETs that use the term “gate” for the controlling pin. AFAIK it’s both MOSFETs and JFETs…
Hmm. I guess that would make a lot of sense.
It isn’t well known, but the symbol(s) for switches is(are) actually quite extensive with different bits meaning different things. Kind of…
I installed a meanwell power supply to power a 5m white LED strip to light my basement stairs, only to be disappointed by the 3- or 4-…

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