SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.

Sep 23, 2025 · In this tutorial, we'll walk you through using the SparkFun Audio Player Breakout in combination with the Qwiic Twist to let you select and play tracks from a microSD card.

SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.

SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.

The SparkFun STC31 CO2 Sensor can accurately measure CO2 concentrations up to 100% with high repeatability and long-term stability, thanks to humidity and temperature compensation provided by …

Our Development Boards category offers diverse, powerful, and versatile platforms for prototyping, coding, and realizing your electronic visions. Explore our collection today and unleash your creativity …

SparkFun Paper Circuit Kits Learn how to build a simple paper circuit using copper tape, a 5mm LED, and a 3V coin cell battery.

SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.

SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.

SparkFun Electronics is an online retail store that sells the bits and pieces to make your electronics projects possible.