This will guide you on how to play musical notes of any song on a piezoelectric buzzer, using Arduino Uno R3, a resistor and some connecting wires.

Binary Clock Shield for Arduino

A collection of songs for an Arduino with a Piezo Passive Buzzer

In this tutorial, Let's see how to make a mini piano using Arduino Nano.

Simple weather station for Attiny85 using DHT11 and 16X2 LCD

Motion detection, alarm system and automatic light with ESP8266 (My frontyard version)

Drowsiness detection system integrated with PC and Arduino UNO to create an alert system. And creating a system to alert the nearest emergency points whenever the driver accident is encountered.

Arduino project for a instrument that uses piezo speakers to make radio noises.

Project about pet food dispenser with arduino. Simulation link: https://www.tinkercad.com/things/9iVNfFJeRKA

A basic security system using PIR sensor; connecting to the localhost using nodemcu

Social Distancing plays a vital role to slow down the spread of COVID-19, This gadget helps to track social distancing automatically. This social distancing detector system will detect if someone comes closer to you i.e if a person comes within 6 feet distance it will indicate danger.

Motion detection, alarm system and automatic light with ESP8266 (My backyard version)

GPS weatherproof chassis test programs - Adafruit Feather GPS - SAMD21 target

<넌 결석이야> 비대면 수업 중 학생 착석 정보를 교수님께 제공하는 웹 페이지 & 디바이스

Le module Buzzer à un buzzer piézoélectrique comme composant principal.

Some simple alarms and similar sounds for use with a piezo buzzer.

4x4 Matrix keypad for automations

Water level control system for Arduino: uses an ultrasonic sensor to measure tank water level and triggers a buzzer alarm when the level falls below a set threshold.