1 Arduino Ultrasonic Sensor (HC-SR04) 1 buzzer; Ultrasonic sensor, mounting circuit; It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other ...

Connect two Arduino on two separate breadboards and connect their respective sensors with them. Connect the trigger Pin to pin9 of Arduino and ecoPin to the pin10 of the Arduino. Power up the ...

Connecting wires . Ultrasonic Sensor Module. There are many types of Arduino distance sensors, but in this project we have used the HC-SR04 to measure distance in range of 2cm-400cm with an accuracy ...

Connect the trigger pin (TRIG) of each ultrasonic sensor to separate digital pins (2,4, and 6) on the Arduino board. Connect the echo pin (ECHO) of each ultrasonic to separate digital pins (3,5, and 7 ...

Arduino and ESP8266 project measuring distance with ultrasonic sensor, connecting to AWS IoT and Arduino IoT Cloud for remote monitoring and control. - noamperets/IoT-Ultrasonic-Sensor-Project- ...

Ultrasonic Sensor Measurement: The HC-SR04 ultrasonic sensor measures the distance to an object by emitting a sound wave and measuring the time it takes for the echo to return. The sensor is connected ...

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 ...

Instead, it relies on an ultrasonic distance sensor to detect a hand (or foot) waved in front of the door. An Arduino Leonardo runs the show, sounding a buzzer when the ultrasonic sensor is triggered.