All About Sound Sensors

All About Sound Sensors

Sounds sensors allow you to create circuits and machines that respond to sound.  In this tuorial, you’ll learn how they work as well as how to build and code a circuit that uses one.   Find out how a sound sensor works in this video tutorial.  Build a simple...
All About Photoresistors

All About Photoresistors

Photoresistors are used to control circuits by makng them reactive to light. Find out how they work, as well as how to build a circuit that includes one and some code to run the circuit in this quick lesson! Photoresistors are designed using materials that react to...
All About Buzzers

All About Buzzers

Looking to build a project that includes some buzzers? Here’s everthing you need to know about them- how they work, how to build a circuit that includes them, and how to write some code to turn them on and off.  What happens inside an buzzer to create sound? ...
All About LEDs

All About LEDs

LEDs are used in all kinds of engineering and coding projects.  Here you can learn how they work, as well as how to build a circuit and write code to get them working.  Get started with this STEM project today! What happens inside an LED to create light?  Find out in...
Profiles in STEM: Christina Koch

Profiles in STEM: Christina Koch

On February 6, 2020, Astronaut Christina Koch landed on the ground in Kazakhstan in the Soyez space capsule, returning from a record-setting 328 days aboard the International Space Station.   Koch’s stay on the ISS began on March 14, 2019 and continued through...
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