LED Gumball Machine

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.

This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.

Protect your project by adding a fuse in your circuit to save it from molten destruction.

Learn how to build a remote water level sensor for a water storage tank and how to automate a pump based off the readings!

Learn how to use the simple SparkFun AT42QT1010 and AT42QT1011 capacitive touch breakout boards.

Qwiic-ly build a digital indoor thermometer to measure the ambient temperature of the room and display it using an OLED on an I2C bus!

Make a Qwiic-enabled digital desk sign with a MicroMod SAMD51 Processor Board's USB Host and a USB keyboard!