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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
LogicBlocks Experiment Guide
Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.
Connectivity of the Internet of Things
An overview of the different protocols that can be used for the development of Internet of Things (IoT)-based projects.
Gyroscope
Gyroscopes measure the speed of rotation around an axis and are an essential part in determines ones orientation in space.
Qwiic OpenLog Hookup Guide
The updated Qwiic version of the OpenLog Hookup Guide
SparkFun Qwiic 3-Axis Accelerometer (ADXL313) Hookup Guide
Let's get moving with the SparkFun Triple Axis Digital Accelerometer Breakout - ADXL313 (Qwiic), a low cost, low power, up to 13-bit resolution, 3-axis accelerometer with a 32-level FIFO stack capable of measuring up to ±4g. This hookup guide will get users started reading measurements from the ADXL313, by Analog Devices, with an Arduino microcontroller, Jetson Nano, or Raspberry Pi.