English: Code to control a home alarm system with Arduino Uno using a sensor connected to pin 11 and a buzzer on pin 8. When the sensor detects presence (HIGH state), the buzzer emits a sound with ...

It’s an electronic device commonly used to produce and signaling a procces that is happening through a sound, beep or etc. The Piezo buzzer produces sound through electricity. Some uses of Piezo ...

🚨 Advanced Fire Alarm System Using Arduino Uno and IR Sensor 🔥 This project unveils a compact and efficient fire alarm system, thoughtfully crafted using the versatile Arduino Uno microcontroller 🤖 ...

This circuit diagram illustrates a fire and smoke detection system using an Arduino UNO R4 WiFi, MQ2 smoke sensor, and a flame sensor (fire sensor). The Arduino is the central controller that receives ...

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 ...