Search results for “battery”

By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One...

This battery holder holds 2 AA batteries, and has a JST connector that is compatible with the micro:bit's battery socket. It also has a very conven...

These high-quality battery clips are molded plastic, so they won't tear like cheap clips, and they cover the battery terminals to prevent shorts. C...

The PowerPad Launchpad breaks out two pins from a CR2032 connected in series with a switch, so that it can be connected to other components. This o...

Build your own cellular project and get off the grid with FONA. This pack comes with an SMA-antenna type FONA and paired with hand-picked accesso...

A small, portable inverter for EL wire. Powers off of 2 AA batteries (not included!), it can drive 1 to 8 feet (about 2.5m) of our high-brightness ...

This breakout board will solve all your current-monitoring problems. Instead of struggling with a multimeter, you can just use the handy INA169 chi...

Turn any battery pack into a power supply with this incredibly useful adapter. A high quality molded 2.1mm DC barrel plug is brought out to red (ce...

The MI:power board for the BBC micro:bit brings real portability to your wearable projects. The stylish, lightweight PCB is designed to fit snugly ...

By popular request - we now have a way you can turn on-and-off Lithium Polymer batteries without unplugging them. This PH2 Female/Male JST 2-pin Ex...

The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. The SparkFun Digital Multimeter, however, is not your av...

How good is your multimeter really?  Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's con...

There's two standard ways to power electronics - USB or 5.5mm/2.1mm DC barrel jack. This or that! With this USB to 2.1mm Male Barrel Jack Cable, yo...

This switched JST connector is the best way to quickly prototype with our LiPoly batteries. We paired a genuine JST connector with a slide switch t...

A sleepy fox badge with 12 coloured LEDs and 12 light patterns, that's sewable, hackable, wearable, and adorable! Bearables is a range of woodland...

This little remote control is great for controlling a robot or any other project from across the room. It has 21 buttons and a layout we thought wa...

The gator:RTC is a supplemental data logging tool to be used in conjunction with the gator:log, part of SparkFun's gator:bit series of gator-clipp...

A complete Bearables Bear Kit with coloured LED badge, motion sensor, thread, needles, and battery.  Sewable, hackable, wearable, adorable! Bearab...

A simple 2-pin connector that is compatible with the "JST PH 2-pin" connector - perfect for soldering to the bottom of our 3.3V Logic Trinket and 5...

The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it ...

This powerful step-up/step-down regulator efficiently produces an adjustable 4 V to 12 V output from input voltages between 3 V and 30 V while allo...

The SparkFun moto:bit is a fully loaded "carrier" board for the micro:bit that, when combined with the micro:bit, provides you with a fully functio...

A complete Bearables Fox Kit with coloured LED badge, light sensor, thread, needles, and battery.  Sewable, hackable, wearable, adorable! Bearable...

It's the Circuit Playground Express Base Kit! It provides the few things you'll need to get started with the new Circuit Playground Express. This v...