Science Buddies
How to Debug a Circuit
Learning how troubleshoot, or debug, your circuit when your Arduino project isn't working as expected. Visit the Science Buddies website for cool science projects you can do with an Arduino:...
Science Buddies
Make a Candle Carousel
Candle carousels, or Christmas pyramids, are part of the German Christmas tradition. It is fun watching them spin around like a merry-go-round. But why exactly do Christmas pyramids spin? There is no electricity, just candles! In this...
Science Buddies
How to Use a Microphone with Arduino
Learn how to use a microphone with the Arduino's analog input so you can make projects that react to sound! See the Science Buddies website for cool science projects you can do with an Arduino:...
Science Buddies
DIY Jumping Robot: Fun Engineering Project
Build your own jumping robot with a motor and some simple parts in this fun engineering project! A complete materials list with written instructions is available on the Science Buddies website: https://sbgo.org/jumping-robot-1
Science Buddies
Identify Road Signs with Google's Teachable Machine
Train a machine learning model to identify different road signs in this fun STEM activity! No computer programming is required - you will use a free online tool called Teachable Machine by Google. Written instructions are available on...
Science Buddies
The Impossible Arrow Illusion
The "impossible arrow" illusion by Prof. Kokichi Sugihara seems to break the laws of physics. The arrow always seems to point in one direction when you try to rotate it, but its reflection in a mirror points the other way! Learn about...
Science Buddies
Make 3D Printed Optical Illusions
Make your own amazing 3D printed optical illusions based on the work of Professor Kokichi Sugihara, including the "impossible arrow" and other shapes! These illusions exhibit "anomalous mirror symmetry" where their reflections appear...
Science Buddies
How to Make Magnetic Slime
Magnetic slime recipe (no borax powder required). Make your own magnetic slime with glue, water, baking soda, contact lens solution, and iron filings. Written instructions are available on the Science Buddies website:...
Science Buddies
🦄 DIY Light Up Unicorn Headband 🦄
Make your own light-up LED unicorn headband in this fun DIY activity! Written instructions and a materials list for this paper circuit project are available on the Science Buddies website:...
Science Buddies
🦄How to Build a Simple Unicorn Robot🦄
Build a unicorn robot that makes its own art! A kit with the electronic parts for this project is available here: https://www.homesciencetools.com/product/bristlebot-robots-kit/?aff=SB1. Written instructions to build an Art Bot are...
Science Buddies
How to Make a Simple Refracting Telescope (Monocular)
This video shows how to build a simple refracting telescope, also called a monocular or a spyglass, using two lenses. One lens is double convex (converging) and one is double concave (diverging). This results in a magnified right-side-up...
Science Buddies
Can a Sandcastle Support a Brick?
Can you build a sandcastle that can support the weight of a brick without collapsing? Watch this video to learn a neat trick that you can use to help your sandcastle support more weight. For written instructions for a science fair...
Science Buddies
The Stroboscopic Effect with Water Drops
Is this water "falling up"? This video explains the illusion behind the stroboscopic effect and how it can make water drops look like they are falling up or even hovering in mid-air. Check out the Science Buddies website for written...
Science Buddies
DIY Levitating Water Drop Fountain
Build your own levitating water fountain! Use the stroboscopic effect to "freeze time" and make water drops look like they are frozen in mid-air or even falling up. Check out the Science Buddies website for written instructions to build...
Science Buddies
DIY Arduino Strobe Light
This video shows how to make your own strobe light using an Arduino and an LED strip. The strobe light is useful to visualize the stroboscopic effect and is much better than a strobe light app on your phone. For written instructions for...
Science Buddies
Sewable RGB LED Unicorn Horn
Make your own RGB LED unicorn horn in this fun DIY activity! Written instructions, materials list, and downloadable files for this sewable electronics project are available on the Science Buddies website:...
Science Buddies
Make a Woven Capacitive Touch Sensor
Weave your own touch sensor in this tech-savvy crafting activity! Learn how to control color changing lights with your hand-made sensor. Written instructions and a materials list for this weaving project are available on the Science...
Science Buddies
How to Replace a Multimeter Fuse
How can you tell if your multimeter's fuse is blown? How do you replace it? This video will cover these common questions with a detailed walk-through of diagnosing and replacing a blown multimeter fuse.
Science Buddies
Build an Arduino Clinostat: Simulate Microgravity for Plants
How do plants grow in space? Can astronauts grow food in a zero-gravity environment? You can do your own experiments right here on Earth to find out! In this science project you will build your own device called a clinostat that rotates...
Science Buddies
Positional vs Continuous Rotation Servo Motors
What's the difference between a positional and a continuous rotation servo motor? How do you control them with the Arduino servo library? Which one do you need for your project? Get all your questions answered in this video! For an...
Science Buddies
Build an Arduino Mass Driver - Cool Science Project
This video shows how to build a model mass driver, also called a coilgun, controlled by an Arduino. Mass drivers could be used to launch payloads into space with electromagnets instead of chemical rockets. There are many variables you...
Science Buddies
How to Use an Arduino
Learning how to use an Arduino is a great way to get started with electronics and programming. This video series will guide you through setting up an Arduino, programming it, and building circuits so you have all the knowledge you need...
Science Buddies
Introduction to Tinkercad Circuits
Tinkercad Circuits is a free online circuit simulator that runs in your web browser. You can use it to prototype circuits and even run Arduino code. Many of our tutorial videos use Tinkercad Circuits to demonstrate various concepts....
Science Buddies
How to Use a Button with an Arduino
Learn how to use a button as a digital input to an Arduino I/O pin with the digitalRead command. Visit the Science Buddies website for cool science projects you can do with an Arduino:...