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!
Serial Peripheral Interface (SPI)
SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.
What is Electricity?
We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!
LogicBlocks & Digital Logic Introduction
Introducing fundamental digital logic concepts and LogicBlocks
Lessons in Algorithms
Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.
LSM6DS3 Breakout Hookup Guide
A hookup guide for the LSM6DS3, which features a 3-axis accelerometer, 3-axis gyroscope, and FIFO buffer.
Raspberry Pi Zero Helmet Impact Force Monitor
How much impact can the human body handle? This tutorial will teach you how to build your very own impact force monitor using a helmet, Raspberry Pi Zero, and accelerometer!
SparkFun Air Quality Sensor - SGP30 (Qwiic) Hookup Guide
A hookup guide to get started with the SparkFun Air Quality Sensor - SGP30 (Qwiic).
SparkFun Temperature Sensor - STTS22H (Qwiic) Hookup Guide
Get started with the ultralow-power, high-accuracy, qwiic-enabled SparkFun Temperature Sensor - STTS22H!