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!
Alternating Current (AC) vs. Direct Current (DC)
Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
Lessons in Algorithms
Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.
How to Use Remote Desktop on the Raspberry Pi with VNC
Use RealVNC to connect to your Raspberry Pi to control the graphical desktop remotely across the network.
LSM6DS3 Breakout Hookup Guide
A hookup guide for the LSM6DS3, which features a 3-axis accelerometer, 3-axis gyroscope, and FIFO buffer.
SparkFun Inventor's Kit for Edison Experiment Guide
Learn how to harness the power of the Intel® Edison using JavaScript to post data to the cloud, control electronics from smartphones, and host web pages that interact with circuits.
TFMini - Micro LiDAR Module Hookup Guide
The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders.
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.