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!
Digital Logic
A primer on digital logic concepts in hardware and software.
LogicBlocks Experiment Guide
Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.
ASCII
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
Arduino Weather Shield Hookup Guide V12
Read humidity, pressure and luminosity quickly and easily. Add wind speed, direction and rain gauge for full weather station capabilities.
Qwiic TMP117 High Precision Digital Temperature Sensor Hookup Guide
Add a high precision, digital temperature sensor to your projects using the TMP117 over the I2C!
SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic) Hookup Guide
A Hookup Guide to get started using the SHTC3 breakout.
SparkFun RTK Express Hookup Guide
Learn how to use the enclosed RTK Express product to achieve millimeter level geospatial coordinates.