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!
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Button and Switch Basics
A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.
RFID Basics
Dive into the basics of Radio Frequency Identification (RFID) technology.
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
MS5803-14BA Pressure Sensor Hookup Guide
Breakout of MS5803-14BA Pressure Sensor to measure the absolute pressure of the fluid around them to determine altitude, water depth, or any other tasks that require an accurate pressure reading. This includes air, water, and anything else that acts like a viscous fluid.
Interactive Hanging LED Array
Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.
SparkFun gator:particle Hookup Guide
The gator:particle is an I2C heart-rate monitor and pulse oximeter that can be used as a particle sensor. This tutorial will get you started using the gator:particle with the micro:bit platform.
SparkFun Triple Axis Accelerometer Breakout - BMA400 (Qwiic) Hookup Guide
Add low power triple axis motion monitoring to your Qwiic project using the SparkFun Triple Axis Accelerometer Breakout - BMA400 (Qwiic).