GUIDE: How To Use Sensors

In almost all circuits you have some kind of sensor. A sensor is what gives your circuit information about the real world. From the very simple button (although maybe not strictly a sensor) to the more advanced ultrasonic sensor to give your robot eyes.

In this quickstart guide, you'll get an overview of some of the most common sensors used in electronic projects today - and how you can get started using them in your projects.

The recommended way to use this course is to choose the sensor you are interested in and skip right to that lesson. You do not need to go through the previous lessons in order to learn about the sensor you want to learn about.

Arduino robot with ultrasonic sensor
A robot with an ultrasonic sensor

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