The damages that can be done by fire are devastating. To prevent causalities or damages, it is necessary to detect the fire, so that warnings can be provided and even automatic fire suppression ...

Use any digital output pin on any digitalWrite() Arduino function compatible board to generate basic sounds and music notes with customizable tempo and pitch. No need for any extra libraries. It can ...

A sound sensor is a simple, easy-to-use, and low-cost device that is used to detect sound waves traveling through the air. Not only this but it can also measure its intensity and most importantly it ...

On the Uno R4 Minima and Uno R4 WiFi, pin 13 is made an output after reset, so if you do: void setup() { Serial.begin(9600); delay(5000); } void loop () { Serial.println(digitalRead(13)); delay(1000); ...

In the last installment of The GeekDad Arduino Guide, I introduced you to the Arduino hardware and why it is so cool. Now, let’s start actually using an Arduino. How do you get started? Well, first ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...