#define LED_BUILTIN 13. This indicates digital pin 13 on the Arduino's pins connector (also called a header). But at the same time LED_BUILTIN tells the Arduino to use the actual built-in LED on ...

Arduino is a do-it-yourselfers dream that allows you to create a true smart home experience tailored to your needs. Check out how to use Arduino to build the smart home you want.

Here the “analogWrite” function can be used to set the PWM duty cycle. To regulate the brightness level of an LED with PWM, just connect it to one of the PWM channels (with a 1K resistor in series) ...

While Arduino's language is structured on a basic version of C++, it also provides an easy syntax for beginners. Because C++ is one of the most-used programming languages, it won't be difficult to ...