LED Gumball Machine

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.

Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.

Build a portable gas monitor to check for dangerous levels of hazardous gases.

Figure out where in the world you are with the Qwiic SparkFun GPS Breakout - XA1110.

Find out your oxygen saturation level or check out your heart rate using the MAX30101 biometric sensor and MAX32664 Biometric Hub via I2C!