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pke Rain or Fire Alarm Circuit IC 555 with Beap Beap Sound B…

Original price was: ₹499.00.Current price is: ₹399.00.

Both Fire & Rain sensors in single one circuit. Enjoy!!! 100% Working P.K.Enterprises Circuits
Just imagine when an apartment is caught fire in the second floor! The people in the second floor can easily recognize the fire and can inform to their neighbors and run for their lives; but people in the first, third and fourth floors may not know the fire accident and busy with their work. This will be great danger to the people live and property also. So there should be an alarm to inform to all people in the apartment in which the fire has taken place and act immediately. Here fire alarm plays a key and important role. It will detect the fire automatically and inform to the people with an alarm. Now-a-days, fire alarms are must for the apartments, theaters, hotels, restaurants, coal mines, petrol bunks or gas stations, etc.Here are two simple fire alarm circuits which will use different concepts and different components for generating the fire alarm. The main basic concept is almost same that sensing the fire or heat by the component and giving that information to the remaining circuit to give alarm. In this fire alarm circuit project, a thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. At normal temperature, the resistance of the thermistor (TH1) is approximately 10 kilo-ohms, which reduces to a few ohms as the temperature increases beyond 100°C. The circuit uses readily available components and can be easily constructed on any general purpose PCB. Check out the fire sensor complete circuit project. 100% Work This is an interesting electronics project to detect if there is raining or not.
Same circuit can also be used as water level indicator or as a tank overflow indicator. Complete User Guide, Easy to Operate,100% Work Working:


it is usefull for School, diploma , degree engineering science students
search “pke circuits” on yt and go to our channel pkenterprises for how it works?
Battery not include with this circuit, use extenal 9 Volt Battery or adapter for operation
PCB Compact size 2×3.5 Cm (Length and Width)
Rain or Fire Both Sensor in single Senser (as shown in picture)
Operate 9V – 12 Volt DC, Battery not include

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Fire and rain sensors in one circuit. Enjoy!!! 100% working PKEnterprises circuits
Just imagine when a second floor apartment catches fire! People on the second floor can easily recognize the fire and can inform their neighbors and run for their lives. But people on the first, third and fourth floors may not know about the fire incident and are busy with their work. This will be a great danger to people’s lives and property as well. Therefore, there must be an alarm to inform all people in the apartment where the fire occurred and to act immediately. Here the fire alarm plays a major and important role. It will automatically detect fire and notify people with alarm. Nowadays, fire alarms have become essential for apartments, theatres, hotels, restaurants, coal mines, petrol beds or gas stations, etc. Below are two simple fire alarm circuits that will use different concepts and different components to generate a fire alarm. The main basic concept is almost the same as sensing fire or heat by the component and giving this information to the remaining circuit to trigger the alarm. In this fire alarm circuit project, the thermistor acts as a temperature sensor. When the temperature rises, its resistance decreases, and vice versa. At normal temperature, the resistance of the thermistor (TH1) is about 10 kΩ, which decreases to a few ohms as the temperature increases beyond 100 °C. The circuit uses readily available components and can be easily built on any general purpose PCB. Check out the complete circuit project for a fire sensor. It works 100%. This is an interesting electronic project to detect whether there is rain or not.
The same circuit can also be used as a water level indicator or a tank flow indicator. Complete user manual, easy to operate, 100% working:


It is useful for school students, diploma students and engineering science students
Search “pke circuits” on yt and go to our channel pkenterprises to learn how it works?
Battery is not included with this circuit, use a 9V battery or adapter to operate
PCB small size 2×3.5 cm (length and width)
Rain or fire both sensors in one sensor (as shown in the picture)
Operates on 9V-12V DC, battery not included

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