SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!
We take an old rotary phone, dissect it, and cross-pollinate it with a cellular module.
A primer on the ProtoSnap LilyPad Development Board. What it is, what it's made of, and how you can program it.
SparkFun moves up to a "real building" - business ensues
The positives and negatives of shipping lithium batteries in the 21st century.
Why do we feel a tingle when we lick a 9V battery?
Checkout our caliper battery hack and a new class on creating basic schematics.
A Scooter battery meter grows into something a little bit crazier!
It's time for a sale! Plus, we're announcing a new product section: the Sale Category.
Say "hello" to the Arduino FIO - plus a few other new products!
It's 2011 and we expect this to be a big year for new products.
SparkFun visits various factories and the electronics market in Shenzhen, China.
Nate travels through UBC in Vancouver discovering amazing research projects and beautiful art, finishing up with a ride on the Mondo Spider.
New LilyPad kits, sensors, perf boards, a crazy package tracker, and various pictures updates. Oh, and Production is moving.
We didn't find any events that matched polymer lithium ion battery. Would you like to Browse Classes?
Customer Support How to Help Yourself General questions about SparkFun? Check our FAQ for answers! Want to return something you purchased? The Returns Policy is for you! There is community supp…
Arduino Buying Guide Let’s face it, there are a lot of different Arduino boards out there. How do you decide which one you need for your project? With this table, you can not only compare featu…
GPS Buying Guide Above your head, right now, at an altitude of about 20,200 km there is a system of navigation satellites. There’s 35 of them, 24 active at any given time. It cost millions and …
Accelerometer, Gyro and IMU Buying Guide Accelerometers and gyros are becoming increasingly popular in consumer electronics, so maybe it’s time you added them to your project! Scrolling through…
LED's for spaceship: http://www.makershed.com/product_p/jm18041.…
These single-cell lithium polymer batteries are compatible with …