Hand Washing Timers

Hand Washing Timers

Learn to build some simple Arduino circuits to time yourself while you wash your hands!  What You’ll Learn When you are finished with this project, you’ll be able to: Upload code to an Arduino microcontroller Edit that code Build  a circuit using a buzzer...
Build an LED Message Machine

Build an LED Message Machine

Learn to use an LED matrix and write the code to create a scrolling message on it. What You’ll Learn When you are finished with this project, you’ll be able to: Send messages using an LED matrix Code an LED matrix Build  circuit using an LED matrix What...
Build a Morse Code Reader

Build a Morse Code Reader

Free Arduino Course:  Morse Code Reader This free Arduino project requires registration to get started.  Login or register using the forms below.  Login Already a MakeCrate user?  Enter your login information below to get started. Login Username or email...
Visualize Resistance in Action

Visualize Resistance in Action

Looking to understand exactly what resistors do?  In this bonus project, you’ll use various resistance levels and see the impact they have on LED brightness and voltage levels. What You’ll Learn When you are finished with this project, you’ll be able...
Build a Color Changer

Build a Color Changer

RGB LEDs use combinations of red, green, and yellow in various intensities to create a whole rainbow of colors. In this course, you’ll learn to incorporate this special kind of LED into a circuit, and then write some code to get it to run through a spectrum of...