English
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.
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.
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.
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.
Project that measures the ambient temperature and humidity value with the DHT11 sensor and displays it on the I2C LCD screen. Teaches the use of digital temperature/humidity sensor.
