Hello friend! SparkFun Customer Support will be unavailable today from 3:00 pm Mountain Time through the remainder of the day. We will resume normal operation at 9:00 AM Mountain Time tomorrow 6/20/18. Thank you for your patience!

New MP3 belt buckle tutorial and a handful of new products covering Uzebox open source game console, Arduino compatible Funnel I/O, Port-o-Rotary Blue (with Bluetooth? connection!), function generator and counter kits, and the new Arduino Ethernet Shield.

Continue reading

Nuclear Fusion

Checkout our caliper battery hack and a new class on creating basic schematics.

Continue reading

Successful Simon Class

We had a great time at the Simon class on Wednesday. Checkout the class photos and some new products!

Continue reading


Checkout this handful of projects including robot control using an accelerometer, outlet relay control, and a massive LED POV installation.

Continue reading

SparkFun makes the list of OSH projects

Continue reading

An awesome LED project by SparkFun customer Nick Hall and a handful of new products ranging from an extra "clicky" push-button to a tiny serial enabled GPS.

Continue reading

Blinded With Science

New robotics products, some hardware bits, and a new touch screen.

Continue reading

A handful of new products, an ingenious tutorial, and SparkFun's first class!

Continue reading

Kill A Watt

We disclose the deep dark secret that is power waste.

Continue reading

Oh Snap!

Correct tactical usage of the phrase 'Oh Snap!'

Continue reading

A Weather Station, some breakout boards, soldering tools, and a few other cool new products. Oh, and a very important tutorial.

Continue reading


What do you do with this 'embedded electronics' thing? You scare cats. Fun random links and a few pictures of the SparkFun Pumpkin. Cause we're cool like that.

Continue reading

All New Stuff

Some new widgets: Light sensor, Lantronix ethernet breakout, cables, magnets, compasses, and Arduino ICs.

Continue reading

Battery vs. Water Tank

How much water does it take to replace a battery?

Continue reading

Returning from a great weekend at Maker Faire, we've got some new items posted and some pictures from Austin.

Continue reading

We'll have the LilyPad kits available for sale at the Maker Shed. And we now have a PDF catalog!

Continue reading

Plaid PCBs and Tron

We're bringing a fun kit to Maker Faire and showing off the new game on the LED Coffee Table.

Continue reading

Counterfeit Parts

Non-technical people writing about planes falling out of the sky.

Continue reading

We're heading to Austin! And we added 75 new footprints to our public Eagle Library

Continue reading

A great project from a mad customer and new products in RFID, GPS, and a new WiFi module!

Continue reading


All Tags

Recent Blog Comments

AAA holders are a great option too, especially because those are a lot easier to find locally than some of the specialty batteries like…
One option I’ve used to power “wearables” is Adafruit’s 3xAAA with a switch which gives about 4.5V…
I actually had a lot of conversations about this at Denver Comic Con this weekend when people were asking how I powered my [light up fairy…
One safety tip that I’d add is to be careful to design any wearable that involves a LiPo so that you can EASILY take it off in a…
A few safety tips when using LiPos: * Always store your batteries in and enclosure free of sharp objects. When installing a battery in your…
18650s and the 6A DC/DC converter we sell! (https://www.sparkfun.com/products/9370) Good for powering projects with lots of lights.
I’d thought, at first, about something like a “big button” or an [“arcade…
Very good point that I missed (this was a little rushed) quantities absolutely matter and will factor in.
Hey ‘773! For the “who’s turn” indicator, I think the problem you’d run into is that people will forget to hit the button (or whatever) to…
A few more comments (after thinking a bit in the shower)… I’d say that there’s a very high probability that the chip in these parts is…

Recent Authors

Nick Poole






Black Angus Rocket Storm



Owen Lyke

All Authors