Iot sensors ppt

In many cases, sensors are useful and very important for the devices in order to fetch the data. The data can be real-time, which includes the current temperature, pressure or humidity. It can also sense the objects and calculate the distance between them.

For each purpose, there are sensors available in the market. In this article, we shall discuss various sensors and their applications, which can be used in your DIY IoT projects.

A Temperature Sensor senses and measures the temperature and converts it into an electrical signal. They have a major role in Environment, Agriculture and Industries. For example, these sensors can detect the temperature of the soil, which is more helpful in the production of crops. They are efficient, easy to install and reliable that responds to human activity. No analog pins are required for this sensor. You can buy the sensor from Adafruit which has many offers on this.

A pressure sensor senses the pressure applied ie, force per unit area, and it converts into an electrical signal. It has high importance in weather forecasting. There are various Pressure sensors available in the market for many purposes.

For example, if there are any water leaks in the residential or commercial areas, a pressure sensor needs to be installed to check if there are any leaks and measures the pressure. Another eg, all the smartphones, wearables have these barometric pressure sensors integrated into them.

A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. A most common application of this sensor is used in cars.

While you are taking the reverse, it detects the objects or obstacles and you will be alarmed. Also, it is used in retails, museums, parking in airports, malls, etc. Inductive, Capacitive, Photoelectric, and Ultrasonic are the types of proximity sensor. Six and Si are typical examples of Proximity sensors used in IoT.

Accelerometers in mobile phones are used to detect the orientation of the phone. A 3D gyroscope has three gyroscopic sensors mounted orthogonally. Accelerometers and gyroscopes are the sensors of choice for acquiring acceleration and rotational information in drones, cell phones, automobiles, airplanes, and mobile IoT devices. It has the ability to measure the heat being emitted by an object and also measures the distance. It has been implemented in various applications.

It is used in Radiation thermometers depend on the material of the object. IR sensors are also used in Flame monitors and moisture analysis. IR sensors are used in gas analyzers which use absorption characteristics of gases in the IR region. Two types of methods are used to measure the density of gas such as dispersive and nondispersive. IR imaging devicesare used for thermal imagers and also for night vision.

IoT Sensors - Market Survey

The Optical Sensors convert light rays into an electronic signal, it measures a physical quantity of light and transforms into a form which is readable, maybe digital form. It detects the electromagnetic energy and sends the results to the units. It involves no optical fibers.Ed Edwards. The Internet of Things IoT offers great potential to change the way in which systems function and businesses operate — providing not only a leap in automation but deep visibility driven by the massive amounts of data that can be collected, analyzed, reported, and acted upon — often without the need for human interaction or involvement.

The ability to efficiently collect data starts with the use of sensors. Sensors are devices that respond to inputs from the physical world and then take those inputs and display them, transmit them for additional processing, or use them in conjunction with artificial intelligence to make decisions or adjust operating conditions.

As the IoT initiative expands, more and more sensors are going to be used to monitor and collect data for analysis and processing. In this article, a review of some of the different types of sensors that will drive the data collection in the IoT initiative is presented. Sensors are designed to respond to specific types of conditions in the physical world, and then generate a signal usually electrical that can represent the magnitude of the condition being monitored.

Those conditions may be light, heat, sound, distance, pressure, or some other more specific situation, such as the presence or absence of a gas or liquid. The common IoT sensors that will be employed include:. Temperature sensors detect the temperature of the air or a physical object and concert that temperature level into an electrical signal that can be calibrated accurately reflect the measured temperature.

These sensors could monitor the temperature of the soil to help with agricultural output or the temperature of a bearing operating in a critical piece of equipment to sense when it might be overheating or nearing the point of failure. Pressure sensors measure the pressure or force per unit area applied to the sensor and can detect things such as atmospheric pressure, the pressure of a stored gas or liquid in a sealed system such as tank or pressure vessel, or the weight of an object.

Motion sensors or detectors can sense the movement of a physical object by using any one of several technologies, including passive infrared PIRmicrowave detection, or ultrasonic, which uses sound to detect objects. These sensors can be used in security and intrusion detection systems, but can also be used to automate the control of doors, sinks, air conditioning and heating, or other systems.

Level sensors translate the level of a liquid relative to a benchmark normal value into a signal. Some automobiles have a light that illuminates when the fuel level tank is very close to empty, acting as an alarm that warns the driver that fuel is about to run out completely.

Image sensors function to capture images to be digitally stored for processing. License plate readers are an example, as well as facial recognition systems. Automated production lines can use image sensors to detect issues with quality such as how well a surface is painted after leaving the spray booth. Proximity sensors can detect the presence or absence of objects that approach the sensor through a variety of different technology designs.

These approaches include:. The importance of water to human beings on earth not only for drinking but as a key ingredient needed in many production processes dictates the need to be able to sense and measure parameters around water quality.

Some examples of what is sensed and monitored include:. Chemical sensors are designed to detect the presence of specific chemical substances which may have inadvertently leaked from their containers into spaces that are occupied by personnel and are useful in controlling industrial process conditions.

Related to chemical sensors, gas sensors are tuned to detect the presence of combustible, toxic, or flammable gas in the vicinity of the sensor. Examples of specific gases that can be detected include:. Smoke sensors or detectors pick up the presence of smoke conditions which could be an indication of a fire typically using optical sensors photoelectric detection or ionization detection.

iot sensors ppt

Infrared sensor technologies detect infrared radiation that is emitted by objects. Non-contact thermometers make use of these types of sensors as a way of measuring the temperature of an object without having to directly place a probe or sensor on that object.

They find use in analyzing the heat signature of electronics and detecting blood flow or blood pressure in patients.

iot sensors ppt

While motion sensors detect movement of an object, acceleration sensorsor accelerometers as they are also known, detect the rate of change of velocity of an object. This change may be due to a free-fall condition, a sudden vibration that is causing movement with speed changes, or rotational motion a directional change.

Internet of Things - Hardware

One of several technologies that are employed in acceleration sensors include:. Gyroscopes or gyroscopic sensors are used to measure the rotation of an object and determine the rate of its movement called the angular velocity, using a 3-axis system. Humidity sensors can detect the relative humidity of the air or other gas, which is a measure of the amount of water vapor contained in that gas. Controlling environmental conditions is critical in the production processes of materials and humidity sensors enable readings to be taken and changes made to mitigate increasing or decreasing levels.

A common application is in HVAC systems to maintain desired comfort levels. Optical sensors respond to light that is reflected off of an object and generate a corresponding electrical signal for use in detecting or measuring a condition.

These sensors work by either sensing the interruption of a beam of light or its reflection caused by the presence of the object.Structural health Monitoring of vibrations and material conditions in buildings, bridges and historical monuments.

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Eletromagnetic Field Levels Measurement of the energy radiated by cell stations and and WiFi routers. Traffic Congestion Monitoring of vehicles and pedestrian levels to optimize driving and walking routes. Waste Management Detection of rubbish levels in containers to optimize the trash collection routes. Smart Roads Intelligent Highways with warning messages and diversions according to climate conditions and unexpected events like accidents or traffic jams.

Forest Fire Detection Monitoring of combustion gases and preemptive fire conditions to define alert zones. Air Pollution Control of CO2 emissions of factories, pollution emitted by cars and toxic gases generated in farms.

Snow Level Monitoring Snow level measurement to know in real time the quality of ski tracks and allow security corps avalanche prevention. Landslide and Avalanche Prevention Monitoring of soil moisture, vibrations and earth density to detect dangerous patterns in land conditions.

Chemical leakage detection in rivers Detect leakages and wastes of factories in rivers. Swimming pool remote measurement Control remotely the swimming pool conditions. Water Leakages Detection of liquid presence outside tanks and pressure variations along pipes. River Floods Monitoring of water level variations in rivers, dams and reservoirs.

Tank level Monitoring of water, oil and gas levels in storage tanks and cisterns. Photovoltaic Installations Monitoring and optimization of performance in solar energy plants. Silos Stock Calculation Measurement of emptiness level and weight of the goods. Perimeter Access Control Access control to restricted areas and detection of people in non-authorized areas. Liquid Presence Liquid detection in data centers, warehouses and sensitive building grounds to prevent break downs and corrosion.

Radiation Levels Distributed measurement of radiation levels in nuclear power stations surroundings to generate leakage alerts. Explosive and Hazardous Gases Detection of gas levels and leakages in industrial environments, surroundings of chemical factories and inside mines.

Supply Chain Control Monitoring of storage conditions along the supply chain and product tracking for traceability purposes. NFC Payment Payment processing based in location or activity duration for public transport, gyms, theme parks, etc. Intelligent Shopping Applications Getting advices in the point of sale according to customer habits, preferences, presence of allergic components for them or expiring dates. Smart Product Management Control of rotation of products in shelves and warehouses to automate restocking processes.

Quality of Shipment Conditions Monitoring of vibrations, strokes, container openings or cold chain maintenance for insurance purposes. Item Location Search of individual items in big surfaces like warehouses or harbours. Storage Incompatibility Detection Warning emission on containers storing inflammable goods closed to others containing explosive material.

Fleet Tracking Control of routes followed for delicate goods like medical drugs, jewels or dangerous merchandises. Indoor Air Quality Monitoring of toxic gas and oxygen levels inside chemical plants to ensure workers and goods safety. Temperature Monitoring Control of temperature inside industrial and medical fridges with sensitive merchandise.

Ozone Presence Monitoring of ozone levels during the drying meat process in food factories.Sensors and devices are an integral part of any Internet of Things IoT network. They collect and transmit data to other devices, which process the data they get.

Commonly used Sensors in the Internet of Things (IoT) devices and their application

Moreover, you need an interface to manage the network based on the data collected and your choices. IoT sensor technology is the backbone of any IoT network.

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You cannot collect data without a sensor that can detect temperature, motion, humidity, or acceleration. There are multiple IoT sensor types. Besides, you also have multiple Internet of Things use cases involving sensors or a combination of a device and sensors embedded in it. The IoT sensor technology is using the very same sensors that engineers and manufactures use in standalone devices and equipment not connected to a network.

Many professional devices measure distance, temperature, pressure, etc. Hence, you need to have all the sensors readily available and connect them to other devices.

This will help to create a sensor-powered IoT network. IoT sensor manufacturers are not reinventing the wheel. They make use of existing sensor technology that is good to use within a network. Selected common types of IoT sensors are listed below. IoT sensor companies have a lot of sensors to choose from when looking for new applications of sensors for IoT in your home or office.

But how do we use IoT sensors? Sensors in IoT serve three main purposes both for professional and personal use.

In industrial and office environment, IoT sensors can track items and processes. Moreover, they also determine environmental conditions. By logging data for the environment and the processes in your home and office, IoT sensors enable the use of machine learning for quality and preferences management.

Also, they can trigger alerts or alarms should certain events or conditions occur. Second, IoT sensors are being embedded in the equipment itself.

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This will make it work better and produce more accurate results. An assembly line might contain dozens of automated manufacturing robots. This, in turn, use one or more IoT sensors to improve quality and accuracy. Third, miniaturization of IoT sensors and their wider availability make it possible for manufacturers of various devices to embed smart sensors in their connected products. Your smartphone is the most obvious example of IoT benefits.

Internet of Things uses cases for smart sensors that exist interchangeably. Usually, one specific use case scenario involves elements from the other two. Hence, a scenario when you use various IoT sensor types to create a smart home involves some strategies that engineers use to build smart industrial facilities as well.

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Fire and gas detection is probably the first example of the effectivity of IoT sensor technology for home and office use. Sensors that detect smoke and carbon monoxide CO are now widespread. IoT sensors can detect and thus provide means to control dust, pollen, pollution, and particulates within your office rooms or at home.

Moreover, they can also help you control room temperature, humidity, and air staleness. Another role for smart sensors in the Internet of Things is to secure your home and office premises through connected video doorbells as well as window and door sensors. Door and window sensors react to unauthorized attempts to open them or if an intruder breaks the window or the door. Smart locks play a similar role.In this topic, we are going to study about the Introduction to IoT.

Internet of things or IoT is a system of connected devices through the internet. It involves mechanical devices, sensors, home appliances, vehicles etc apart from desktop, mobile, and laptop. These devices are designed in such a way that they can share data with other devices over the internet. IoT basically provides a platform for devices to interact and collaborate with each other.

Below are those components. The sensor is the layer which connects the IoT device to the outer environment or human being. As the name suggests, it senses the changes and sends data to the cloud for processing. These sensors continuously collect data from the environment and transmit the information to the next layer. Example — pressure sensor, temperature sensor, light intensity detectors. Gateway facilitates data flow management and protocol layer to transfer data from one device to another.

It translates the network protocols for devices and provides encryption for the data flowing in the network. The data collected by sensors need to be sent to the cloud for analytics.

Data need the internet as a medium to transfer data from one device to another. Hence all the IoT devices need to be connected to the internet all the time. Data can be sent to the cloud through these networks. IoT systems send massive data from devices and this data needs to be managed efficiently to generate meaningful output.

To store this huge amount of data, the IoT cloud is used. It provides tools to collect, process and store data.

iot sensors ppt

Data is readily available and remotely accessible through the internet. It also provides a platform for analytics. IoT cloud is a sophisticated high-performance network of servers to perform high-speed processing of huge amount of data. Analytics is the process of converting raw data into some meaningful form. IoT analytics supports real-time analysiswhich captures real-time changes and irregularities. The data is then converted into a format that is easy to understand by the end user.

Users or business can analyze the trends shown in reports, predict the market and plan ahead for a successful implementation of their ideas. The User interface is a visible, tangible part of IoT systems.The hardware utilized in IoT systems includes devices for a remote dashboard, devices for control, servers, a routing or bridge device, and sensors.

These devices manage key tasks and functions such as system activation, action specifications, security, communication, and detection to support-specific goals and actions. The most important hardware in IoT might be its sensors. These devices consist of energy modules, power management modules, RF modules, and sensing modules. The sensing module manages sensing through assorted active and passive measurement devices. Smartwatches not only help us stay connected, but as a part of an IoT system, they allow access needed for improved productivity.

Smart glasses help us enjoy more of the media and services we value, and when part of an IoT system, they allow a new approach to productivity. The desktop, tablet, and cellphone remain integral parts of IoT as the command center and remotes.

The desktop provides the user with the highest level of control over the system and its settings. The tablet provides access to the key features of the system in a way resembling the desktop, and also acts as a remote.

The cellphone allows some essential settings modification and also provides remote functionality. Other key connected devices include standard network devices like routers and switches. Internet of Things - Hardware Advertisements. Previous Page. Next Page. Previous Page Print Page.Learn how Internet of Things IoT solutions are marking its presence in the smart farming sector.

iot sensors ppt

Till the end ofthe connected agriculture market stood at USD 1. It is expected to grow to USD 4. The IoT technology has realized the smart wearable's, connected devices, automated machines, and driverless cars.

However, in agriculture, the IoT has brought the greatest impact. Recent statistics reveal that the global population is about to reach 9. And to feed this massive population, the agriculture industry is bounded to adopt the Internet of Things.

Amongst the challenges like extreme weather conditions, climatic changes, environmental impact, IoT is eradicating these challenges and helping us to meet the demand for more food.

Throughout the world, mechanical innovations such as tractors and harvesters took place and brought into the agriculture operations in the late 20th century.

Top 10 IoT Sensor Types

And the agriculture Industry relies heavily on innovative ideas because of the steadily growing demand for food. The Industrial IoT has been a driving force behind increased agricultural production at a lower cost. In the next several years, the use of smart solutions powered by IoT will increase in the agriculture operations. And the no.

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Due to lack of constant and reliable communication network infrastructure, an IoT solutions provider as well as the business owners had faced implementation challenges in remote or less developed regions.

But, many network providers are making it possible by introducing satellite connectivity and expending cellular networks. It's been long since sensors were introduced in the agriculture operations.

But the problem with the traditional approach of utilizing sensor technology was that we were not able to get the live data from the sensors. The sensors used to log the data into their attached memory and later on we were able to use it. With the introduction of Industrial IoT in Agriculturefar more advanced sensors are being utilized. Which lets us to know the real-time data from the sensors, making decision making effective. The applications of IoT in the agriculture industry has helped the farmers to monitor the water tank levels in real-time which makes the irrigation process more efficient.

The advancement of IoT technology in agriculture operations has brought the use of sensors in every step of the farming process like how much time and resources a seed takes to become a fully-grown vegetable.

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