Categories of IoT sensors


Categories of IoT sensors


The Internet of Things (IoT) has the potential to significantly alter how systems work and how businesses run because it can dramatically increase automation while also enabling deep visibility thanks to the vast amounts of data that can be gathered, analysed, reported on, and used to take action — frequently without the need for human interaction or involvement. Share your views at the IoT Write For Us category. 

Types of IoT sensors 

The different types are- 

Humidity sensors 

In order to determine how much water vapour is present in the air or another gas, humidity sensors can measure the relative humidity of those gases. In order to produce materials, controlling environmental factors is essential. Humidity sensors allow readings to be obtained and adjustments to be made to minimise rising or falling levels. HVAC systems frequently use this technology to keep targeted comfort levels. 

Acceleration sensors 

Acceleration sensors, commonly known as accelerometers, measure the rate at which an object's velocity changes, as opposed to motion sensors, which measure an object's movement. A quick vibration that is creating movement with speed variations, rotational motion (a change in direction), or a free-fall scenario could be the cause of this change. 

Level sensors

A signal is produced by level sensors when a liquid's level is compared to a standard normal value. Fuel gauges, for instance, provide a constant level measurement of the amount of fuel in a vehicle's tank. Additionally, there are point level sensors, which provide a go/no-go or digital representation of the liquid level. Some vehicles have a light that turns on as an alert to the driver that the fuel is going to run out completely when the fuel level tank is extremely close to empty. 

Temperature sensors 

Temperature sensors sense the air or physical object's temperature and convert it into an electrical signal that can be calibrated to precisely reflect the temperature being measured. These sensors may track the temperature of the ground to aid with agricultural productivity or the temperature of a bearing in a key piece of machinery to detect when it may be overheating or getting close to breaking down. 

Motion sensors 

The movement of a physical object can be detected by motion sensors or detectors utilising a variety of technologies, such as passive infrared (PIR), microwave detection, or ultrasonic, which detects objects using sound. These sensors can automate the control of doors, sinks, air conditioning and heating, and other systems in addition to being employed in security and intruder detection systems.  

Image sensors

Image sensors work to take pictures that can then be saved digitally and processed. For instance, facial recognition software and licence plate readers. Image sensors can be used in automated production lines to identify quality problems, such as how well a surface is painted once it has left the spray booth.

The Bottom Line

Sensors are made to react to a certain range of physical situations. They then produce a signal (often electrical) that might reflect the severity of the condition being measured. Light, heat, sound, distance, pressure, or another more particular circumstance, such the presence or absence of a gas or liquid, may be among those conditions. 

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