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.
Voltage, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
LilyPad Light Sensor Hookup Guide
How to hook up the LilyPad Light Sensor as well as some project ideas and example code.
PIR Motion Sensor Hookup Guide
An overview of passive infrared (PIR) motion detecting sensors, and how to hook them up to an Arduino.
SparkFun GPS-RTK Dead Reckoning ZED-F9K Hookup Guide
The u-blox ZED-F9K is a powerful GPS-RTK unit that uses a fusion of IMU, wheel ticks, a vehicle dynamics model, correction data, and GNSS measurements to provide highly accurate and continuous position for navigation in the difficult conditions. We will quickly get you set up using the Qwiic ecosystem through Arduino so that you can start reading the output!
Getting Started with Machinechat
Organize and display your data with SparkFun's Artemis OpenLog and MachineChat's JEDIOne!