LED Gumball Machine
Contributors:
Nate
Resources and Going Further
We hope you've enjoyed reading about our LED dispensing gumball machine. If you liked this one, there's tons more!
Voltage Dividers
Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.
Alternating Current (AC) vs. Direct Current (DC)
Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
Raspberry Pi SPI and I2C Tutorial
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.
Qwiic Magnetometer (MLX90393) Hookup Guide
Figure out how magnetic fields are oriented, all without having to solder a thing.
Qwiic Distance Sensor (VL53L1X, VL53L4CD) Hookup Guide
The Qwiic Distance Sensor - VL53L1X is a time of flight sensor that is capable of several modes, as well as having a range of 4M. It's cousin VL53L4CD is also a time of flight sensor with similar characteristics but it has a range of about 1.3M. Let's hook it up and find out just how far away that thing over there is.
SparkFun Qwiic Digital Temperature Sensor - TMP102 Hookup Guide
Get started using your SparkFun Digital Temperature Sensor - TMP102 (Qwiic) with this Hookup Guide!
Qwiic 6DoF - ISM330DHCX Hookup Guide
Get started with the Qwiic 6DoF ISM330DHCX Breakout Board!