An Arduino Theremin using Arduino, an ultrasonic sensor, and a speaker that produces varying sound pitches based on the distance of an object from the sensor.
An Arduino-based smart fan that automatically turns ON or OFF based on proximity detection using an ultrasonic sensor and controls speed using a DC motor driver.
A Temperature and Humidity Monitoring System using Arduino and a DHT11 sensor that measures and displays real-time temperature and humidity data on the serial monitor.
A Ultrasonic Distance Measurement System using Arduino and an ultrasonic sensor that calculates the distance of an object based on the reflection time of ultrasonic waves and displays the result on the serial monitor.
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