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!
Light
Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.
Series and Parallel Circuits
An introduction into series and parallel circuits.
LogicBlocks Experiment Guide
Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
INA169 Breakout Board Hookup Guide
How to interface with the INA169 Breakout Board to measure current.
SparkFun BME280 Breakout Hookup Guide
A guide for connecting the BME280 sensor to a microcontroller, and for using the SparkFun Arduino library.
LIS3DH Hookup Guide
A guide to connecting the LIS3DH to a microcontroller and using the Arduino library.
SparkFun Thing Plus - NINA-B306 Hookup Guide
A quick guide to get started using the SparkFun Thing Plus - NINA-B306. This Thing Plus is loaded with the Arm Cortex-M4 processor in the NINA-B306 along with on-board motion and environmental sensors in the ISM330DHCX 6DoF and BME280 pressure and temperature sensor.