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!
Pulse Width Modulation
An introduction to the concept of Pulse Width Modulation.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
Getting Started with LTspice
LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.
Flex Sensor Hookup Guide
An overview of the flex sensor - a bendable variable resistor. Plus, example circuits and Arduino code to get you started!
SparkFun GPS Breakout - XA1110 (Qwiic) Hookup Guide
Figure out where in the world you are with the Qwiic SparkFun GPS Breakout - XA1110.
H3LIS331DL Accelerometer Breakout Hookup Guide
Hookup guide and library usage details for the triple axis accelerometer H3LIS331DL high-g accelerometer.