const int ledPin = 13; // led connected to digital pin 13 const int knockSensor = A0; // the piezo is connected to analog pin 0 const int threshold = 500; // threshold value to decide when the ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

Abstract: The measurement of the vibration state is crucial in controlling flexible manipulators, as it helps to design effective strategies for vibration suppression. However, vibration sensors often ...

Abstract: This paper proposed a self-contained IoT sensor module which includes sensor for collecting various information, micro-computer and multiple solar panels for realizing dynamic cost reduction ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...