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.
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!
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
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.
LSM9DS1 Breakout Hookup Guide
A hookup guide for the LSM9DS1, which features a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer. It's an IMU-in-a-chip!
micro:bot Kit Experiment Guide
Get started with the moto:bit, a carrier board for the micro:bit that allows you to control motors, and create your own robot using this experiment guide for the micro:bot kit.
Current Sensor Breakout (ACS723) Hookup Guide
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Air Quality Sensor - SGP40 (Qwiic) Hookup Guide
Get started measuring indoor air quality with the SparkFun Air Quality Sensor - SGP40 (Qwiic) Hookup Guide.