LED Gumball Machine
Contributors:
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!
Electric Power
An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
Understanding Thermal Resistance
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
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.
AS726X NIR/VIS Spectral Sensor Hookup Guide
It's now easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS726X spectral sensors allow you to detect wavelengths in the visible range (VIS) and near infrared range (NIR)!
AT42QT101X Capacitive Touch Breakout Hookup Guide
Learn how to use the simple SparkFun AT42QT1010 and AT42QT1011 capacitive touch breakout boards.
RHT03 (DHT22) Humidity and Temperature Sensor Hookup Guide
Measure relative humidity and temperature or your environment with the RHT03 (a.k.a DHT22) low cost sensor on a single wire digital interface connected to an Arduino!
Sending Sensor Data over LoRa
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data using LoRa.