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!
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Processor Interrupts with Arduino
What is an interrupt? In a nutshell, there is a method by which a processor can execute its normal program while continuously monitoring for some kind of event, or interrupt. There are two types of interrupts: hardware and software interrupts. For the purposes of this tutorial, we will focus on hardware interrupts.
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
Configuring the PATH System Variable
A simple guide for configuring the PATH variable on Win 10, Mac OSX, and Linux systems.
MLX90614 IR Thermometer Hookup Guide
How to use the MLX90614 or our SparkFun IR Thermometer Evaluation Board to take temperatures remotely, over short distances.
Blynk Board Washer/Dryer Alarm
How to configure the Blynk Board and app to notify you when your washer or dryer is done shaking.
Qwiic UV Sensor (VEML6075) Hookup Guide
Learn how to connect your VEML6075 UV Sensor and figure out just when you should put some sunscreen on.
SparkFun Inventor's Kit Experiment Guide - v4.1
The SparkFun Inventor's Kit (SIK) Experiment Guide contains all of the information needed to build all five projects, encompassing 16 circuits, in the latest version of the kit, v4.1.2 and v4.1.