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!
Analog vs. Digital
This tutorial covers the concept of analog and digital signals, as they relate to electronics.
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
How Does an FPGA Work?
The What, How, Why, and When of Field Programmable Gate Arrays, aka FPGAs
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.
Internet of Things Experiment Guide
The SparkFun ESP8266 Thing Dev Board is a powerful development platform that lets you connect your hardware projects to the Internet. In this guide, we show you how to combine some simple components to remotely log temperature data, send yourself texts and control lights from afar.
Qwiic TMP117 High Precision Digital Temperature Sensor Hookup Guide
Add a high precision, digital temperature sensor to your projects using the TMP117 over the I2C!
Measuring Height with Atmospheric Pressure
Measure height using atmospheric pressure with your Qwiic MicroPressure breakout board!
Display Distance Measurements On an OLED
This tutorial will take your SparkFun Qwiic Ultrasonic Distance Sensor to the next level by adding a cool little OLED display.