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 ...

Smart Blind Stick using Arduino Circuit Diagram. The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

Ultrasonic sensor that measures the distance and the LED’s bar graph will light up according to our distance from the sensor - devil557/Arduino-Ultrasonic-Sensor-with-LEDs-and-buzzer Skip to content ...

1 green LED; 1 yellow LED; 1 red LED; 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, ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 ... If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone ...

It is built around Arduino Uno, four HC-SR04 ultrasonic sensors, and a few other components. - Advertisement - Fig. 2: Circuit diagram of social distancing alarm. HC-SR04 ultrasonic sensor utilises ...

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.

Arduino Code for Interfacing MQ-5 Gas Sensor Module. The Arduino MQ-5 gas sensor module's coding is straightforward. We're simply reading the Sensor's analog data and turning the LED and Buzzer ON or ...