Arduino Sensor With LED and Buzzer : 5 Steps - Instructables
Arduino piezo buzzer alarm with LDR(light dependent resistor)/photoresistor
Arduino Door Bell With Push Button With 3 LED
GitHub - two-engineers2/Arduino-Morse-Code-with-LED-and-Buzzer: Step by step instructions with explanations to construct an LED and piezo buzzer circuit and program it to communicate SOS and other messages in morse code using Arduino.
2: Buzzer with Light - Arduino & Me
2: Buzzer with Light - Arduino & Me
Active buzzer with LDR and LED- Arduino — Steemit
Multicolored LED Stream with Buzzer | Arduino Project Hub
Arduino-Basic-Project-7(LED and Buzzer Control Using POT )