Initialization: The Arduino initializes the pins for the flame sensor, built-in LED, and external LED, and begins serial communication. Flame Detection: The flame sensor reads the presence of a flame ...

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 ...

Circuit Diagram. The image below shows the Arduino circuit diagram for building a smart bin. As you can see it is very simple, it just has an ultrasonic sensor and a servo motor connected to the ...

CON1-CON3 – 2-pin connectors Sensor1 – Flame sensor module X1 – 230V AC primary to 15V, 500mA secondary transformer: ... Fig. 2: Arduino based Fire Alarm Circuit Diagram. The circuit operates on 12V ...

Arduino Vibration Sensor Circuit Diagram. The schematic for interfacing Vibration sensor with Arduino uno is given below. The LED is connected in the D13 pin. The module is powered using the available ...

In this article, I have added three sensors with Arduino UNO and user can choose the required sensor with the help of keypad. ... // Define PIR sensor pin #define PIR_PIN A0 #define FLAME_PIN A1 ...