Projects using this component
Night Light with Ldr
LDR based night light project that automatically turns on the LED when the environment gets dark. Teaches automatic control logic with analog threshold comparison.
Buzzer Usage
Basic project that uses the buzzer to emit a sound at a specific frequency and interval. Teaches the use of tone() and noTone() functions.
Frequency Setting with Buzzer
Interactive project with 4 buttons to increase and decrease the frequency of the buzzer, turn it on and off. Teaches multiple button reading and variable control.
National Anthem with Buzzer
Project that plays the first two stanzas of the National Anthem of the Republic of Turkey note by note with Buzzer. Teaches frequency-note relationship and melody programming.
Lighting 220V Bulb with Remote Control
Project that turns 220V light bulb on and off via relay with power and mute buttons of IR remote control. Combines infrared control with high voltage switching.
Laser Warning System
Security project that detects when the laser beam is interrupted via LDR and warns with buzzer and LED. Teaches the logic of light interruption detection with laser-LDR pair.
Laser Security System
Advanced security system that activates the alarm when the laser beam is interrupted and can be reset by push button or IR control. Teaches multiple input source and state management.
Motion Detector with Motion Sensor
Basic project that detects motion in the environment with PIR motion sensor and lights LEDs. Teaches digital sensor reading and motion detection logic.
Doorbell and Light with Motion Sensor
A project that lights the LED and plays the doorbell melody with a buzzer when the PIR sensor detects motion. Combines motion detection with sound and light notification.
Simple Piano with Buzzer and Button
Simple piano project with 8 buttons and buzzer to play notes from C to high C. Teaches how to simulate a musical instrument by assigning different frequencies to each button.
HC-SR04 Distance Measurement (Serial Display)
Project that measures distance with HC-SR04 ultrasonic sensor and displays the result in cm on Serial Monitor. It teaches the principle of distance calculation with sound wave.
Parking Sensor with HC-SR04
Parking sensor project with HC-SR04 sensor that increases the buzzer beep rate as the object approaches and warns with LED. Teaches feedback logic proportional to distance.