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!
Pulse Width Modulation
An introduction to the concept of Pulse Width Modulation.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Analog vs. Digital
This tutorial covers the concept of analog and digital signals, as they relate to electronics.
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.
Arduino Weather Shield Hookup Guide V12
Read humidity, pressure and luminosity quickly and easily. Add wind speed, direction and rain gauge for full weather station capabilities.
Pyboard Hookup Guide
Getting started with the Pyboard using MicroPython.
TFMini - Micro LiDAR Module Hookup Guide
The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders.
Qwiic Pressure Sensor (BMP384) Hookup Guide
Get started with the SparkFun Pressure Sensor - BMP384 (Qwiic) following this guide.