The SparkFun LiPo Fuel Gauge - MAX17043 connects your LiPo battery to your project and uses a sophisticated algorithm to detect the relative state of charge and direct A/D measurement of battery voltage.

The RP2040 mikroBUS™ Development Board is our latest RP2040 microcontroller (MCU) ‎development board.

Follow along with this guide to learn how to use the Qwiic ecosystem of dev boards with an Arduino Nano or compatible board.

An easy-to-assemble way to add the SparkFun Qwiic ecosystem to any development board that uses the Thing Plus or Feather Footprints!