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Hundreds of projects from beginner to advanced — schematics, code, and videos.
Basic project that uses the buzzer to emit a sound at a specific frequency and interval. Teaches the use of tone() and noTone() functions.
Project that plays Mario, Mother's Day and Christmas melodies with a buzzer by pressing different keys of the IR controller. It combines function triggering and melody programming with the controller.
Bomb animation project that counts down on 4 7 segment display, can be accelerated with potentiometer and canceled with buttons. Teaches the use of timer, multiple input control and millis().
This project allows you to play the Mehter Anthem with an infinite loop using only Arduino Uno, Buzzer and Jumper Cables. Just Make the Connections, and Paste the Code.
Playing a simple melody (Twinkle Twinkle Little Star) with a passive buzzer. We play notes with tone() and noTone() functions like in Arduino - ESP32 works with the same syntax as Arduino Core 3.0+. Passive buzzer must be used (active buzzer does not play melody).
