const int ledPin = 13; // the number of the LED pin const int buzzerPin = 7; // the number of the buzzer pin // Variable for button state. This will change.

- There are different types of buzzers (also called transducers), based on construction (magnetic vs. piezo), and whether they include an oscillator drive circuit (passive vs. active). They function ...

In this project, the ultrasonic sensor module type KY-050 is used together with an Arduino and a type KY-012 active buzzer to help while reverse parking our vehicle. As the distance to the objects ...

Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the ...

Abstract: The paper aims to design and implement a low cost and reliable quiz buzzer system with the help of Arduino and seven segment display for easier detection of contestants or participants ...