Components Needed Arduino UNO: The microcontroller board that reads sensor values and processes data. Flame Sensor: A sensor module that detects the presence of flame. External LED: An additional LED ...

I have use Arduino , Flame sensor and buzzer. According to the code connect; vcc-5v gnd-gnd flame sensor (DO) pin- A0 and buzzer to 8 of arduino .

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...

Components Needed for Human Following Robot Using Arduino Arduino UNO board ×1 Ultrasonic sensor ×3 L298N motor driver ×1 Robot chassis BO motors ×2 Wheels ×2 Li-ion battery 3.7V ×2 Battery holder ×1 ...