LED Gumball Machine

Pages
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!

Voltage Dividers

Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.

Data Types in Arduino

Learn about the common data types and what they signify in the Arduino programming environment.

Hexadecimal

How to interpret hex numbers, and how to convert them to/from decimal and binary.

Raspberry gPIo

How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.

MMA8452Q Accelerometer Breakout Hookup Guide

How to get started using the MMA8452Q 3-axis accelerometer -- a solid, digital, easy-to-use acceleration sensor.

Using the SparkFun PicoBoard and Scratch

Here are a few tips in using the PicoBoard with Scratch v1.4. The PicoBoard allows us to write Scratch programs that interact with a variety of sensors on the PicoBoard. These sensors include: sound, light, a slider, a push button, and 4 external sensors (A, B, C, and D).

Soil Moisture Sensor Hookup Guide

A quick hookup guide and project to get you started with the Soil Moisture Sensor from SparkFun.

Qwiic dToF Imager (TMF882X) Hookup Guide

Getting started with the AMS dToF imagers (TMF8820 and TMF8820).