Alarm Projects

Alarm Projects

In this project, you’ll use several different sensors to create alarms. What You’ll Learn When you are finished with this project, you’ll be able to: Use an infrared motion sensor Connect magnetic sensors to detect when a door or window is open...
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 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...
Robot Mission 5: Line Following

Robot Mission 5: Line Following

Make your robot follow a black line, using infrared sensors.   What You’ll Learn When you are finished with this project, you’ll be able to: know how to build a circuit using two infrared sensors know how to adjust the sensitivity of an infrared sensor...