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.
Electric Power
An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
ZX Distance and Gesture Sensor SMD Hookup Guide
How to connect and use the SparkFun ZX Distance and Gesture Sensor with an Arduino.
9DoF Razor IMU M0 Hookup Guide
How to use and re-program the 9DoF Razor IMU M0, a combination of ATSAMD21 ARM Cortex-M0 microprocessor and MPU-9250 9DoF-in-a-chip.
IoT Weight Logging Scale
This tutorial will show you how to make a scale that logs your weight to a custom website on the Internet. The principles can be extrapolated to any type of data.
Analog MEMS Microphone Breakout - SPH8878LR5H-1 Hookup Guide
Get started with sound monitoring using the SparkFun analog MEMS microphone breakout board with Arduino!