This project is a real-time distance indicator using an HC-SR04 ultrasonic sensor and LEDs to visually represent object proximity. It is designed to provide intuitive feedback for applications like ...

Buy arduino, buy sound shield, buy distance sensor shield, plug into each other, burn example code, stuff components inside box. Not only is this not a hack but he might as well have just bought a ...

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 ...

This is an Arduino-based Proximity Sensor circuit wired using the ... (within 5 cm from the HC-SR04 module), and an ear-splitting beep from the piezo-buzzer otherwise. Arduino Ultrasonic Sensor ...

🔹 Project Details: Smart LED Distance Indicator using Ultrasonic Sensor and Arduino 📌 Introduction This project is a real-time distance indicator using an HC-SR04 ultrasonic sensor and LEDs to ...

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.