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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
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.
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
AD8232 Heart Rate Monitor Hookup Guide
Learn how to create your very own heart rate monitor.
LIS3DH Hookup Guide
A guide to connecting the LIS3DH to a microcontroller and using the Arduino library.
Qwiic Proximity Sensor (VCNL4040) Hookup Guide
The SparkFun Qwiic Proximity Sensor is a great, qualitative proximity (up to 20 cm) and light sensor. This hookup guide covers a few examples to retrieve basic sensor readings.
Qwiic Pressure Sensor (BMP581) Hookup Guide
Get started with the SparkFun Pressure Sensor - BMP581 (Qwiic) following this Hookup Guide