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!
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
Understanding Thermal Resistance
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
Force Sensitive Resistor Hookup Guide
How to hook a force-sensitive resistor up to an Arduino to measure pressure variances.
Simultaneous RFID Tag Reader Hookup Guide
A basic guide to getting started with the RFID Tag Reader breakout and how to read and write multiple RFID tags over multiple feet!
ESP32 Environment Sensor Shield Hookup Guide
SparkFun's ESP32 Environment Sensor Shield provides sensors and hookups for monitoring environmental conditions. This tutorial will show you how to connect your sensor suite to the Internet and post weather data online.
Qwiic Ultrasonic Distance Sensor (HC-SR04) Hookup Guide
Get started with the Qwiic Ultrasonic Distance Sensor!