Top 7 IOT sensors with diagram in 2023│Electronicsinfos



What are sensors and what applications exist?

A sensor is a device that takes input from its environment and then converts it into required information for humans. for example, the temperature sensor takes the signal from its environment and shows the output for humans.

There are many types of sensor which is used in our daily life. In the daily life of each department, you can find their usage for example They’re in our homes and workplaces, our shopping malls, our metro station, our smart grid station, and hospitals. They’re embedded in smartphones, laptops, smart LCDs, and smart DSLR cameras, and are an integral part of the Internet of Things (IoT). The sensor makes human life easier. It takes input from Environment, and processes, and shows the Output. the figure
below shows it        input output process

There are different shapes, and sizes of sensors in the market. There are many applications for IoT sensors. Here are 10 of the most popular types of IoT sensors in 2023.


A humidity sensor is a type of sensor that measures the humidity from its environment and converts it into an electrical signal. The humidity sensor measures the amount of water vapour in the gasses and liquids. A humidity sensor is also called a hygrometer sensor that is used to measure moisture and air temperature from its environment. To Be remembered relative humidity is an important factor to measure comfort.

                                         HUMIDITY SENSOR
There are three types of humidity sensors:


Applications of humidity sensors

Humidity sensors are most often used in industries such as HVAC, biomedical, food processing, pharmaceuticals, meteorology, microelectronics, Smart grids, smart solar station, Civil, agriculture, and structural health monitoring.

                                            Applications of humidity sensors

Temperature Sensors

A temperature sensor is a device that detects and measures the hotness and coldness of an object. Have you ever left your laptop in your home in the summer? If so, your screen might have shown a warning that your Laptop has overheated. That is because there is a built-in temperature sensor that measures the temperature of your Laptop concerning the surroundings. Once the inside component reaches a certain temperature. the temperature sensor sends an electronic signal to an embedded computer that is used to process the whole signal. there are many types of examples you can find in your daily life.

temperature sensor

Types of temperature sensors

👉Temperature Probes

Applications of Temperature Sensors

Temperature Sensor is widely used in many industries such that medical, pharmaceutical, motorsport, HVAC, agriculture, Domestic, industrial, aerospace, automotive, robotics, etc

Pressure Sensors

pressure sensor is a type of sensor that is used to convert a mechanical input pressure into an electrical output signal. The Relation between Pressure and voltage in pressure sensors is a direct relation.

There are two types of pressure one is absolute pressure and the other is the differential pressure. differential sensors are used to detect the pressure difference on a particular side of an object. Differential pressure sensors are used to monitor HVAC  to measure the airflow.

Pressure = Force / Area

pressure sensor

Types of pressure sensors

👉Absolute pressure sensors
👉Gauge pressure sensors
👉Sealed gauge pressure sensors 
👉Differential pressure sensor
Types of pressure sensors

Applications of pressure sensors

there are different applications of pressure sensors that are used in different industries such as leak detection of pressure, air monitoring in HVAC, bottle Filling systems, Air Volume (VAV) systems, air pressure monitoring, industrial flow monitoring, filter pressure monitoring, etc

5 Best Pressure Sensors 2023

Proximity Sensors

proximity sensor is a type of sensor that is used to detect the existence of objects without physical contact. A proximity sensor is a non-contact sensor which means there is no physical connection that detects the presence of an object. there are many types of sensors like electromagnetic fields, sound, light, and infrared radiation (IR), and Proximity sensors are used in assembly lines, phones, recycling plants, and self-driving cars. the two main types of pressure sensors used in daily life first are inductive and other is capacitive.

we used an inductive proximity sensor that can detect metal targets because their working principle is electromagnetic induction which is based on magnetic fields. on the other hand, Capacitive Proximity sensors can work only with metallic targets. proximity sensors are capable of detecting anything that can carry an electrical charge because their working principle is an electrostatic charge. Capacitive sensors are used in liquid-level detection for measuring liquid levels.

proximity sensor

Types of proximity sensors:

👉Inductive Proximity Sensor. 
👉Optical Proximity Sensor.
👉Capacitive Proximity Sensor.
👉Magnetic Proximity Sensor.
👉Ultrasonic Proximity Sensor

Proximity Sensor

Applications of proximity sensors

Proximity sensors are used in smartphones, recycling plants,  smart self-driving cars, anti-aircraft systems etc

Level Sensors

A level sensor is a device that is designed to maintain and measure liquid levels. There are two types of level sensors: one is point level sensors and another is continuous level sensors. Point-level sensors show whether a liquid has reached a particular point or not. Continuous level sensors indicate and measure a continuous flow of liquid Level. we divide the level sensors into invasive sensors and non-contact sensors.

level sensor

Types of Level Sensors

👉Optical Level Switches
👉Tuning Fork

Types of Level sensors

Applications of Level Sensors

Tank level monitoring in chemical, water treatment, food, and battery industries involving high pressure and temperature.

Optical Sensors

An optical sensor is a device that is used for detecting light intensity .there are many types of electrical optical sensors on the market.

optical sensor

Types of Optical Sensors:

👉Point sensor
👉Intrinsic sensor
👉Retro-reflective sensor
👉Distributed sensor
👉Extrinsic sensor
👉Diffuse reflective Sensor

Types of Optical sensors

Applications of Optical Sensors

optical sensors are widely used in alarm systems, synchros for photographic flashes, etc

Gas sensors

Gas sensors are devices that can detect the presence and concentration of various hazardous gases and vapours. they are commonly used in many industries. they are used to detect gases such as explosive gases, volatile organic compounds (VOCs), humidity, and odour gases. gas sensors play a very important role in our daily life .you know a human nose has 400 types of scent receptors.

Gas sensors

Types of Gas sensors

👉Optical gas Sensor
👉Calorimetric gas Sensor
👉Acoustic-based Gas Sensor
👉Electrochemical gas Sensor
👉Capacitance-based Gas Sensor

Types of Gas sensors

Applications of Gas sensors:

Gas sensors are widely used in Safety Industries, Indoor HVAC Industries, Medical and Life-Science Industries, Aerospace Industries, Army, Industrial, Agriculture Industries, aeronautical industries, Modified Atmosphere Packaging (MAP), Transportation Industries, Media Science, Construction industries, etc


in this article, we discuss different types of IoT sensors that are widely used in our daily life.

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