Circuit Basics:  Electricity Flow

Circuit Basics: Electricity Flow

Transcript: Let’s take a look at the steps required to build a circuit that allows electricity to flow correctly. In each of the projects that we build at MakeCrate, we start by connecting a wire to the 5V connection on our Arduino to our breadboard, and then...
How does an ultrasonic sensor work?

How does an ultrasonic sensor work?

Learn the science and math behind an ultrasonic sensor. Transcript:  An ultrasonic sensor can be used to calculate how far away an object is. These sensors can be used to determine things like how far your car is from a wall, or whether or not your water bottle is in...
How does a photoresistor work?

How does a photoresistor work?

Learn about the properties of semiconductors that allow photoresistors to work. Transcript: Let’s take a look at how a photoresistor works. A resistor is an electronic component that reduces the amount of current flowing through a circuit.  A variable resistor is one...
How does a buzzer work?

How does a buzzer work?

  Curious what is happening inside a buzzer? Check out this video. Transcript: Buzzers can be both fun and useful in electric circuits.We’ll use them a lot in MakeCrate projects, so let’s take a look at what is going on inside a buzzer to produce sound. The buzzer...