This time measurement helps calculate the distance between the sensor and the object. Ultrasonic sensors are widely used in applications such as distance measurement, object detection, liquid level ...

This project utilizes an Arduino microcontroller along with an ultrasonic distance sensor to measure distances and provide warnings when objects are detected within certain ranges. The distance ...

Arduino UNO circuit board [8] and an HC-SR04 ultrasonic distance sensor [9] were used for data collection and are shown in Figure 2. Arduino UNO was placed on upper face of top plate and ultrasonic ...

The core of the project is an Arduino MKRFOX1200 hooked up to an array of sensors and a 1200mAh battery. Those sensors include a Waveform flame sensor module, a DHT11 temperature & humidity sensor ...

Social isolation has been shown to be the sole effective defense against COVID-19, according to the World Health Organization. In this study, a prototype for tracking human positions in an outdoor ...