Here you will find details about how you can make a fire detection system by using arduino and flame sensor. We have also added the budget you need to make this project.
These are the devices that can be wear by human beings so that they provide information about their health, pulse rating, blood circulation and so many. They are widely used in medical field, defence and other fields.
This presentation includes what is accident detection system ppt ,what are its requirements and how its works and its advantages,disadvantages and applications,Results and future sccope and at last conclusion
this is a slide based on proximity sensors, its types,and its application.
A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact.
A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal. The object being sensed is often referred to as the proximity sensor's target. Different proximity sensor targets demand different sensors. For example, a capacitive proximity sensor or photoelectric sensor might be suitable for a plastic target; an inductive proximity sensor always requires a metal target.[citation needed]
Proximity sensors can have a high reliability and long functional life because of the absence of mechanical parts and lack of physical contact between the sensor and the sensed object.
Proximity sensors are also used in machine vibration monitoring to measure the variation in distance between a shaft and its support bearing. This is common in large steam turbines, compressors, and motors that use sleeve-type bearings.
Proximity sensors are commonly used on mobile devices. When the target is within nominal range, the device lock screen user interface will appear, thus emerging from what is known as sleep mode. Once the device has awoken from sleep mode, if the proximity sensor's target is still for an extended period of time, the sensor will then ignore it, and the device will eventually revert into sleep mode. For example, during a telephone call, proximity sensors play a role in detecting (and skipping) accidental touchscreen taps when mobiles are held to the ear.[1]
Proximity sensors can be used to recognise air gestures and hover-manipulations. An array of proximity sensing elements can replace vision-camera or depth camera based solutions for the hand gesture detection.
This Presentation provides some basics of Sensors Technology.........
It gives few ideas to learn about sensors which are as normally used as electrical & electronics applications.......
Infrared IR Sensor Circuit Diagram and Working Principleelprocus
An infrared sensor is an electronic device, that emits in order to sense some aspects of the surroundings. An IR sensor can measure the heat of an object as well as detects the motion. These types of sensors measures only infrared radiation, rather than emitting it that is called as a passive IR sensor. Usually in the infrared spectrum, all the objects radiate some form of thermal radiations.
Home security system is needed for convenience and safety. This system invented to keep home safe from intruder. In this work, we present the design and implementation of a GSM & PIR sensor based home security system using ARDUINO-UNO board. Which take a very less power. The system is a arduino-uno based home security system which contains a GSM modem and PIR sensor with servo-motor and a camera which provides a better security. The system can response rapidly as intruder enters into the trigged zone, PIR sensor sense the object and GSM module will send a notification as a SMS to the registered number of the home owner, and can also give a snapshot of that object. This security system for alerting a house owner wherever he will. In this system as a object enters into the zone GSM module produce a signal through a public telecom network and sends a message or redirect a call that that tells about your home update or predefined message which is embedded in arduino-uno board. Suspected activities are conveyed to remote user through SMS or Call using GSM technology.
Here you will find details about how you can make a fire detection system by using arduino and flame sensor. We have also added the budget you need to make this project.
These are the devices that can be wear by human beings so that they provide information about their health, pulse rating, blood circulation and so many. They are widely used in medical field, defence and other fields.
This presentation includes what is accident detection system ppt ,what are its requirements and how its works and its advantages,disadvantages and applications,Results and future sccope and at last conclusion
this is a slide based on proximity sensors, its types,and its application.
A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact.
A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal. The object being sensed is often referred to as the proximity sensor's target. Different proximity sensor targets demand different sensors. For example, a capacitive proximity sensor or photoelectric sensor might be suitable for a plastic target; an inductive proximity sensor always requires a metal target.[citation needed]
Proximity sensors can have a high reliability and long functional life because of the absence of mechanical parts and lack of physical contact between the sensor and the sensed object.
Proximity sensors are also used in machine vibration monitoring to measure the variation in distance between a shaft and its support bearing. This is common in large steam turbines, compressors, and motors that use sleeve-type bearings.
Proximity sensors are commonly used on mobile devices. When the target is within nominal range, the device lock screen user interface will appear, thus emerging from what is known as sleep mode. Once the device has awoken from sleep mode, if the proximity sensor's target is still for an extended period of time, the sensor will then ignore it, and the device will eventually revert into sleep mode. For example, during a telephone call, proximity sensors play a role in detecting (and skipping) accidental touchscreen taps when mobiles are held to the ear.[1]
Proximity sensors can be used to recognise air gestures and hover-manipulations. An array of proximity sensing elements can replace vision-camera or depth camera based solutions for the hand gesture detection.
This Presentation provides some basics of Sensors Technology.........
It gives few ideas to learn about sensors which are as normally used as electrical & electronics applications.......
Infrared IR Sensor Circuit Diagram and Working Principleelprocus
An infrared sensor is an electronic device, that emits in order to sense some aspects of the surroundings. An IR sensor can measure the heat of an object as well as detects the motion. These types of sensors measures only infrared radiation, rather than emitting it that is called as a passive IR sensor. Usually in the infrared spectrum, all the objects radiate some form of thermal radiations.
Home security system is needed for convenience and safety. This system invented to keep home safe from intruder. In this work, we present the design and implementation of a GSM & PIR sensor based home security system using ARDUINO-UNO board. Which take a very less power. The system is a arduino-uno based home security system which contains a GSM modem and PIR sensor with servo-motor and a camera which provides a better security. The system can response rapidly as intruder enters into the trigged zone, PIR sensor sense the object and GSM module will send a notification as a SMS to the registered number of the home owner, and can also give a snapshot of that object. This security system for alerting a house owner wherever he will. In this system as a object enters into the zone GSM module produce a signal through a public telecom network and sends a message or redirect a call that that tells about your home update or predefined message which is embedded in arduino-uno board. Suspected activities are conveyed to remote user through SMS or Call using GSM technology.
They always sound so high tech that we hardly notice that our day-to-day lives always involve the use of sensors. From IR sensors in TV remotes to passive infrared sensors on automatic doors or LDRs for outdoor and street lightings, sensors are everywhere.
Sensors detect changes, acknowledge those changes, and produce outputs from those changes. They detect and measure qualities such as light, temperature, sound, and other types of output from the environment.
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Ir sensor mechanism and interfacing with a micro controllers.PPTkhairunnesa2
I am a student of Computer Science and engineering in University of Asia Pacific Student. I have tried to explain working mechanism of IR sensor.I am a student of Computer Science and engineering in University of Asia Pacific Student. I have tried to explain working mechanism of IR sensor.Hope this slide will be helpful for your works.Thank u :)
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A motion detector is a device that contains a motion sensor that detects moving objects and transforms the detection of motion into an electric signal.
The detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. Motion detectors form a vital component of security, automated lighting control, home control, energy efficiency, and other useful systems.
The introduction to Arduino labs at Malmö University. These slides have been handed down since the beginning of Arduino. They have more authors then i can remember and should by no means be considered mine.
2. INTRODUCTION
They use built-in amplifier to
detect motion
The IR module is specifically used to detect IR
radiation (body heat) from the human body
They can also detect other
things that generate IR
radiation
3. INTERNAL COMPONENTS
A built-in amplifier to convert IR radiation to
voltage
A comparator for converting output to
digital form
A stabilized power supply unit to supply
power to the circuit
A quad-type pyroelectric element to
detect movement within its range
4. DETECTION OF MOVEMENT
The quad-type pyroelectric
element has 4 similar receptors The sensor can pick up even the
smallest movements within the
receptor’s range
This makes PIR motion sensors more accurate and effective
5. WORKING PRINCIPLES
IR motion sensors detect radiation
instead of emitting them
The inverting input becomes low
when the sensor detects IR radiation
Then the comparator’s output
increases and lights up the
LED
3 different resistors in the IC
transfer current to all internal
components
6. TYPES OF IR SENSORS
IR sensors are of different types depending on their usage
Temperature sensors
detect temperature
PIR sensors are used for
home/commercial
security
Ultrasonic sensors
can measure
distance between
two points
7. FOCUSING MECHANISM IN IR SENSORS
OR
PIR motion sensors use
LENS MIRROR
The main task of
lenses/mirrors is to
focus light onto the
sensor
Mirrors have
slightly more range
than lenses
8. HOW TO AVOID FALSE DETECTIONS
Avoid placing them on
the wall directly facing
the window
Avoid installing PIR
motion detectors near
HVAC vents that blow
cold/hot air
Install them high up
on the wall to avoid
being triggered by
toddlers and pets
