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!
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Python Programming Tutorial: Getting Started with the Raspberry Pi
This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.
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.
Monitor Sensor Data from Anywhere
Using WiFi to send sensor data from an ESP32 to a WiFi network and be able to read it from an IoT Dashboard from anywhere in the world.
Soil moisture-sensing by hacking a solar light
How to take a solar powered pathway light from a hardware store and make it into a crude soil moisture sensor.
LilyPad Light Sensor Hookup Guide
How to hook up the LilyPad Light Sensor as well as some project ideas and example code.
MLX90614 IR Thermometer Hookup Guide
How to use the MLX90614 or our SparkFun IR Thermometer Evaluation Board to take temperatures remotely, over short distances.
Qwiic dToF Imager (TMF882X) Hookup Guide
Getting started with the AMS dToF imagers (TMF8820 and TMF8820).