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!
Button and Switch Basics
A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.
LogicBlocks & Digital Logic Introduction
Introducing fundamental digital logic concepts and LogicBlocks
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
Configuring the PATH System Variable
A simple guide for configuring the PATH variable on Win 10, Mac OSX, and Linux systems.
Photon Remote Water Level Sensor
Learn how to build a remote water level sensor for a water storage tank and how to automate a pump based off the readings!
Qwiic Ambient Light Sensor (VEML6030) Hookup Guide
The VEML6030 is a high accuracy ambient light sensor with 16-bit resolution. This I2C sensor can detect light similar to the human eye response. Start detecting light levels in your environment!
SparkFun Thing Plus - NINA-B306 Hookup Guide
A quick guide to get started using the SparkFun Thing Plus - NINA-B306. This Thing Plus is loaded with the Arm Cortex-M4 processor in the NINA-B306 along with on-board motion and environmental sensors in the ISM330DHCX 6DoF and BME280 pressure and temperature sensor.
Qwiic Kit for Raspberry Pi V2 Hookup Guide
Get started with the SGP40, BME280, VCNL4040, and microOLED via I2C using the Qwiic system and Python on a Raspberry Pi! Measure VOC Index, light, temperature, humidity, and pressure from the environment. Then display them on the microOLED, serial terminal, or the cloud with Cayenne!