STEM concepts

Ready to learn how to use ultrasonic sensors and arduino? Ultrasonic sensors are devices that use high-frequency sound to measure distances.  One part of the sensor emits quick, high-pitched clocks that bounce off of objects in front of the sensor, while another part...

Looking to use LCDs and Arduino in your projects?  Use this guide to learn how to build and code and LCD and Arduino circuit.   Use this diagram to wire your LCD and get it ready to test.   Before you can get your LCD running, you need to find it's address. ...

Want touse keypads and Arduion to create some projects?  We can help you get started.    Use this diagram to wire your keypad and get it ready to test.   Using the code below will print the buttons that you push to the serial monitor. If you don't know how...

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 sound...

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...

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?  Find out...