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!
What is a Circuit?
Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.
Raspberry Pi SPI and I2C Tutorial
Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
Sending Sensor Data Over WiFi
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.
ISL29125 RGB Light Sensor Hookup Guide
A guide to help you integrate the ISL29125 RGB light sensor breakout board into your electronic projects.
Temperature Sensor Comparison
A comparison of analog and digital temperature sensors. Which is better?
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.
Turn a Qwiic Ultrasonic Distance Sensor into a Garage Distance Sensor
This tutorial will take your SparkFun Qwiic Ultrasonic Distance Sensor to the next level by turning it into a parking distance sensor!