sparkfun

This is the same 18650 Lithium Ion Cell that you know and love, but now includes pre-attached solder tabs! These round high capacity cells have bee...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a sm...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 2000mAh! Comes terminated...

If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemistry. This is the high...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated ...

This is the same 10Ah battery pack that provides power to the [SparkFun Jetbot](https://www.sparkfun.com/products/16417)! The battery pack support...

The LM335A is a very easy-to-use analog temperature sensor. The LM335A works like a Zener diode with a breakdown voltage proportional to absolut...

This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical signal. Each load cel...

This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical signal. Each load cel...

This disc load cell (sometimes called a strain gauge) can translate up to a whopping 200kg of pressure (force) into an electrical signal. Each load...

This disc load cell (sometimes called a strain gauge) can translate up to a whopping 200kg of pressure (force) into an electrical signal. Each loa...

This S-Type load cell (sometimes called a strain gauge) can translate up to 200kg of pressure (force) into an electrical signal. Each lo...

This S-Type load cell (sometimes called a strain gauge) can translate up to 200kg of pressure (force) into an electrical signal. Each load cell is...

This single disc load cell (sometimes called a strain gauge) can translate up to 50kg of pressure (force) into an electrical signal. Each load cell...

This single disc load cell (sometimes called a strain gauge) can translate up to 50kg of pressure (force) into an electrical signal. Each load cel...

This straight bar load cell (sometimes called a strain gauge) can translate up to 5kg of pressure (force) into an electrical signal. Each load cell...

This load sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales (you know, the ones you use in January for you...

If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converte...

The Logomatic v2 takes everything we learned with multiple logging projects over the years and boils it down to an easy to use device, that is no...

The Logomatic v2 takes everything we learned with multiple logging projects over the years and boils it down to an easy to use device, that is now ...

The LoL Shield is a charlieplexed LED matrix for the Arduino. The LEDs are individually addressable, so you can use it to display anything in ...

The Loomia Double Backlit User Interface is like the [Single Backlit Button](https://www.sparkfun.com/products/17864), but twice the fun! Use this ...

Like the Mini Pressure Sensor... but bigger! The Loomia Mega Pressure Matrix has six leads, allowing you to map which point you are at in the 3x3 ...

RFM95CW is an ultra-low-power, high-performance LoRa transceiver for various frequencies of 137-1020 MHz wireless applications. The high integratio...