LED Gumball Machine
Contributors:
Nate
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, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Analog to Digital Conversion
The world is analog. Use analog to digital conversion to help digital devices interpret the world.
Series and Parallel Circuits
An introduction into series and parallel circuits.
How to Use Remote Desktop on the Raspberry Pi with VNC
Use RealVNC to connect to your Raspberry Pi to control the graphical desktop remotely across the network.
Hackers in Residence - Hacking MindWave Mobile
Review, teardown, and hacking tutorial for the MindWave Mobile, a $99 commercial grade EEG sensor.
micro:climate Kit Experiment Guide
A weather station kit that is built on top of the inexpensive, easy-to-use micro:bit and Microsoft MakeCode.
Qwiic Human Presence Sensor (AK9753) Hookup Guide
How to get started with your Qwiic enabled AK9753 Human Presence Sensor.
Artemis Global Tracker Hookup Guide
The SparkFun Artemis Global Tracker combines the Artemis processor with an Iridium 9603N satellite transceiver, ZOE-M8Q GNSS transceiver, and MS8607 PHT sensor. With a clear view of the sky, this board allows you to send and receive short data messages from anywhere in the world including remote locations far beyond the reach of WiFi and GSM networks. Follow this guide to get started with the Artemis Global Tracker.