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Copy the above code and open with Arduino IDE. Click Upload button on Arduino IDE to upload code to Arduino. Open Serial Monitor on Arduino IDE. Upload the code to Arduino. Create some smoke around the smoke sensor. Create a flame in front of the flame sensor. Listen to sound alarm from the sire or buzzer. See the result on Serial Monitor.
Jun 5, 2018 · We did this project as a school homework, then we decided to upload it here to share it with other students, just like us. The project is a fire alarm piloted by a simple Arduino Leonardo that activates a LED (connected by a relay) and a buzzer, whenever a flame is detected by the flame sensor module. We hope you will enjoy our little project.
Oct 29, 2017 · use an optocoupler or relay controlled by the arduino to couple this 9 V DC to the interconnect wire (in which case there is galvanic separation between the arduino and the rest) => Arduino output to trigger the alarm. use a second optocoupler to detect 9 V DC on the interconnect => Arduino input to detect triggered alarm.
Nov 1, 2024 · To test the device, upload the source code to the Arduino Nano using the Arduino IDE. Afterward, disconnect the Nano board from the laptop or desktop, and connect 12V to the circuit. Bring a small flame (such as a lighter) near the flame sensor. The buzzer should sound, and the LEDs should light up, signalling flame detection.
Mar 20, 2020 · Nice work so far! Looks like you have put a lot of good work into the NAC coding. Have you got a way to supervise the NAC circuit in normal mode? Also, how are you planning to supervise the pull station? I’ve done a bit of work making a fire alarm panel out of an Arduino UNO so if I can be of any help shoot me a message?
Aug 27, 2020 · STEP3: Explanation. How it works. Basically what happens is when you bring IR light source (e.g. Fire, TV Remote) with wavelength between 760nm ~ 1100nm the voltage across our IR sensor drops. The new voltage is recorded by the arduino and if its lower than our set threshold the alarm goes off and our Red LEDs start flashing.
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Upon receiving the signal from the flame sensor, the Arduino board will send the signal back to the buzzer commanding it to ring. As soon as the buzzer receives the signal, it will start ringing completing the fire detection and alarm cycle. Arduino code. The Arduino code for the fire alarm system is shown below. Paste it in your Arduino IDE.
