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.
LilyPad Basics: Powering Your Project
Learn the options for powering your LilyPad projects, LiPo battery safety and care, and how to calculate and consider power constraints on your projects.
Introduction to DMX
DMX512 is an industry standard in lighting and stage design, whether it be controlling lights, motors, or lasers, DMX512 has many uses. In this tutorial we’ll cover DMX512 (Digital Multiplex with 512 pieces of information).
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
MyoWare Muscle Sensor Kit
Line of products to work with the MyoWare muscle sensor from Advancer Technologies.
Weather Meter Hookup Guide
How to assemble your very own weather meter!
Qwiic Atmospheric Sensor (BME280) Hookup Guide
Measure temperature, humidity, barometric pressure with the SparkFun Atmospheric Sensor Breakout BME280 (Qwiic).
Qwiic PIR Hookup Guide
Get started passively monitoring motion using the Panasonic EKMC and EKMB sensors with the SparkFun Qwiic PIR.