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!
Electric Power
An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!
Series and Parallel Circuits
An introduction into series and parallel circuits.
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
MAX31855K Thermocouple Breakout Hookup Guide
Learn how to take readings with a k-type thermocouple using the MAX31855K cold-junction-compensated k-type thermocouple-to-digital converter.
Arduino Weather Shield Hookup Guide V12
Read humidity, pressure and luminosity quickly and easily. Add wind speed, direction and rain gauge for full weather station capabilities.
Wireless Gesture Controlled Robot
Control the RedBot wirelessly based on the movement of your hand using an accelerometer, Arduino, and XBees!
How to Run a 5V Device On a 3.3V System With Qwiic
Power up your 5V I2C devices on the Qwiic system! This tutorial shows you how to use the SparkFun Qwiic 5V Boost to integrate power-hungry sensors like the SEN55 seamlessly.