Articles by Michalis

[tutorial] How to Fade an LED

Introduction In this example you will learn how to fade an LED by using …

[tutorial] How to use a Photoresistor (or photocell)

Introduction A photoresistor or photocell is a light-controlled variable resistor. The resistance of a …

[tutorial] How to use a Potentiometer

Introduction For those beginning to learn about robotics, particularly in the area of building …

[tutorial] How to use a Push Button

Introduction Push buttons or switches connect two points in a circuit when you press …