How To Make DIY Smoke Detector Alarm

Introduction

A smoke detector is an essential safety device that can save lives during a fire emergency. Generally, smoke alarms are not expensive, but if you want to save money and learn something new, you can make a DIY smoke detector alarm by following certain steps. Making a DIY smoke detector alarm is not a complex task and can be completed with some simple tools and materials. In this article, we will provide step-by-step instructions on how to build a DIY smoke detector for your home.

Circuit Diagram How to Make DIY Smoke Detector Alarm

This amplifier can be designed using a few basic components. The circuit diagram of this project is shown below.

**How To Make Smoke Detector Alarm Circuit Diagram**

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Components List of DIY Smoke Detector Alarm

Following is the list of components used in this project:

1X MQ5 SENSOR
1X PIEZO BUZZER
1X 555 TIMER IC
2X BC547 TRANSISTOR
1X BC557 TRANSISTOR
2X 1N4148 DIODES
1X LED
1X 100 OHM RESISTOR
1X 1K RESISTOR
4X 10K RESISTORS
1X 47K RESISTOR
1X 10uF CAPACITOR
1X 470uF CAPACITOR
1X 5V RELAY
1X 3 PIN FEMALE HEADER
1X 2 PIN TERMINAL BLOCK
1X 3 PIN TERMINAL BLOCK
1X PREF BOARD
JUMPER WIRES

Working Explanation of DIY Smoke Detector Alarm

Steps Involved in Making a DIY Smoke Detector Alarm:

Step-1: The first step is to connect the smoke detector circuit board with the smoke detector sensor using wires. You have to follow the wiring diagram provided above..

Step-2: Once you connect the circuit board and the sensor, you have to connect the buzzer. The buzzer will alert you when the smoke detector alarm goes off. Again, you have to follow the wiring diagram provided above..

Step-3: After completing the wiring, the next step is to connect the power supply with the circuit board. You can use a battery pack with holder if you want to make the connection secure.

Step-4: Once all three components (circuit board, sensor and buzzer) are connected, the smoke detector alarm is almost ready. Now, you have to test it to ensure it works correctly.

Step-5: To test the DIY smoke detector, you have to light a candle and hold it under the sensor. The smoke from the candle will trigger the sensor, and the buzzer will go off, alerting you about the smoke.

Conclusion:

Learning how to make a DIY smoke detector alarm is not that hard. By following the above simple steps, you can make your own smoke detector alarm without spending too much money. Remember, a smoke detector is an important safety device that can alert you in case of a fire, giving you enough time to evacuate the premises. By installing a DIY smoke detector alarm, you are taking an important step towards ensuring the safety of your home and family. So, go ahead and try making your own smoke detector alarm today!