It emits an ultrasound at 40 000 Hz which travels through the air and if there is an object or obstacle on its path It will bounce back to the module. Considering the travel time and the speed of the ...

This sketch is an example of 2 units of HC-SR04 Ranging Module connected to Arduino Uno ATMega 238. The dual HC-SR04 trigger by the same output pin 2 and echo at pin 3 (PCINT19) and 4 (PCINT20). It ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Specifications of the ultrasonic sonar distance sensor that can be used with Arduino, Raspberry Pi, CircuitPython and more include : – Power & Logic Voltage: DC 5V – Current during measurment ...

ABSTRACT: In this study, a simple Arduino-based experiment was designed to examine the acceleration of the object during free fall and to calculate the value of “g” (acceleration due to gravity).

This research aims to develop a RADAR system using an ultrasonic sensor (HC-SR04), servo motor (SG90), and Arduino UNO. This RADAR system can detect objects in the vicinity and display information ...

The ultrasonic sensor module HC-SR04 is a popular and cheap: (; $2) per unit; it is, mainly, used and designed for distance measurement. In this article, a time space framework for a linear array of a ...