This non-invasive current sensor (also known as a “split core current transformer”) can be clamped around the supply line of an electrical load to tell you how much current is passing through it. It does this by acting as an inductor and...

If you need to knock up a quick prototype there’s nothing like having a pile of jumper wires to speed things up, and let’s face it: sometimes you want quantity over quality. These are the same jumper wires that come with the SparkFun...

This is a SparkFun exclusive! These are 155mm long jumpers. Multiple jumpers can be installed next to one another on a 0.1" header. Comes as 1 package of one hundred jumpers (colors shown), 50 pieces male-to-male and 50 pieces...

If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates...

This is a breakout board for the Bosch BMP085 high-precision, low-power digital barometer. The BMP085 offers a measuring range of 300 to 1100 hPa with an accuracy down to 0.2 hPa in ultra-high resolution mode. It’s based on...

These are small rare earth magnets - 0.25" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a...

This basic piezo sensor from Measurement Specialties is often used for flex, touch, vibration and shock measurements. A small AC and large voltage (up to +/-90V) is created when the film moves back and forth. A simple resistor should get...

Ever wonder what goes on inside these things? Well this clear bread board might enlighten. Beyond the clear plastic, this is really just a regular, solderless breadboard. It has 2 power buses, 30 columns, and 10 rows - a total of 400 tie...

Who doesn't love the soft glow of electroluminescence? This EL tape is a flexible plastic ribbon which contains a phosphor layer and lights up with a neon-like glow when the proper voltage is applied. It's a lot like the ever-popular EL...

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! It looks a lot like a thin flexible neon tube. They come in many bright colors and can be driven pretty easily...

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! It looks a lot like a thin flexible neon tube. They come in many bright colors and can be driven pretty easily...

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! It looks a lot like a thin flexible neon tube. They come in many bright colors and can be driven pretty easily...