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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
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.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
MEMS Microphone Hookup Guide
Get started with the SparkFun analog MEMS microphone breakout board with Arduino! Create a volume unit meter with the ADMP401 or ICS-40180 to react to sound before building your sound visualizer!
Current Sensor Breakout (ACS723) Hookup Guide
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Qwiic 9DoF - ISM330DHCX, MMC5983MA Hookup Guide
Find all your degrees of freedom with this little Qwiic breakout board combining the ISM330DHCX 6Dof and the MMC5983MA Magnetometer!