Fire Alarm DIY with LM358 - PCB Tutorial 🔥
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- Опубліковано 7 сер 2024
- ► $2 for 2-Layer PCBs & $7 for 4-Layer PCBs: jlcpcb.com
This is a Fire Alarm Sensor!
The core of this simple circuit is the LM358 IC. The heat is detected by a thermistor, a resistor that varies its value as the ambient temperature changes. With the 10KO trimmer it is possible to adjust the temperature, at which the alarm will be actived. Finally, the buzzer I used is an active type, a normal buzzer would not sound.
After trying the excellent service offered by JLCPCB I recommend it, the quality of the PCB is high, customer service is always available and professional, the time of realization is short and the delivery of PCBs is by express courier. JLCPCB is a great place to get hight quality custom circuit boards at an extremely low price, you can buy 5 PCB Boards (Any Color) for 2$ !!!
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● Components:
- 1x LM358 [ bit.ly/2VCFPLy ]
- 1x 10 KΩ Thermistor [ bit.ly/2yrIhMG ]
- 1x 10 KΩ Resistor [ bit.ly/2ytgn3e ]
- 2x 330Ω Resistors [ bit.ly/2ytgn3e ]
- 1x 10 KΩ Trimmer [ bit.ly/3cyvozr ]
- 1x Active Buzer* [ bit.ly/2Dadu9w or bit.ly/2VisN6H or bit.ly/2WXNV2S ]
- 2x LED 3mm [ bit.ly/39vXOd0 ]
- 1x 10uF Electrolytic Capacitor [ bit.ly/2WlIgCt ]
- PCB (Ready for JLCPCB): bit.ly/2OYfynO
*Don't use my PCB for profit or sponsored videos.
*Unfortunately I have not found the exact same buzzer that I use in this video on international sites.. I have therefore inserted two alternatives. All buzzers are fine, as long as they are Active
For any other questions you can ask me for explanations in the video comments:)
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Music:
- The lounge by bensound (Circuit Explanations)
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Chapters:
0:00 - Intro
0:44 - Explanation
1:50 - Gerber Upload
2:22 - Unboxing
3:23 - Circuit Assembly
5:52 - Test
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WARNING: This video is only for demonstration. I don't take any responsibility for damage to things, people and animals. This fire sensor is to be considered for educational use, it does not have any certification.
#Fire #Tutorial #PCB - Наука та технологія
Usefull!
Nice project
Thank you =)
Nice explain thank you bro ❤️❤️❤️❤️❤️
Thanks to you for appreciating my work ;)
Un proyecto tan interesante, como útil y necesario para poder detectar (y atajar) oportunamente algún incendio que pudiera generar perdidas materiales, y desde luego, evitar víctimas fatales. Abrazos Stefano, desde Saltillo, México.🤗🤗
Gracias! Este sensor no es para uso profesional, sino más para uso educativo.. como casi todos mis proyectos.
Un abrazo y saludos desde Italia =)
Simple voltage comperator.What i miss is an hysterese. A little voltage feedback to the non invering input. You wil become a more stable circuit. You can also use a flame detector. It looks like a led but detects flames and not only the heat. The best is a smoke detector. ALARM BEFORE THERE ARE FLAMES OR MUCH HEAT.For the rest nice video.
Hi, thanks you and thanks for the advice!
Verygoo 👏👍
Thank you😎
How cool is that?
Hi, in the video it goes into alarm at about 60 degrees, but temperature is adjustable
Can you adjust how hot before alarm goes off?
Hi, the trimmer regulates the temperature at which the alarm is triggered
Diy vape please
Stefano, whats the deal with this?
Can I use your template and circuit design and order these fire alarms pcbs through this pcb manufacturer ?🤔
Hi, of course you can order PCBs to build one yourself, but mind you it's not a professional product, but a DIY circuit for hobbyists and for learning.
Nice work but I think it gives you alarm when it's too late. When fire gets to this thermistor it means the whole house is on fire and nothing can do to save it. The best fire alarm is smoke detection alarm
Hi, thank you!
This sensor is not for professional use, but for educational use.. like almost all my projects =)
@@Stefano91ste Yeah, I know the purpose of these videos is to give an idea of how different devices can work.