ARDUINO SENSORS consists of a microcontroller and an IDE which helps to store data, the program code can be stored in the Arduino, unlike a microcontroller which needs an external memory.
SENSORS are defined as a machine, modules, or devices that detect changes in the environment. The sensors transfer those changes to the electronic devices in the form of a signal.
A sensor and electronic devices always work together. The output signal is easily readable by humans.
Nowadays, Sensors are used in daily lives. For example, controlling the brightness of the lamp by touching its base, etc. The use of sensors is expanding with new technologies.
Arduino is helpful to make many devices like ultrasonic sensors, IR sensors, robots, etc.
The Arduino IDE contains several libraries which can be used to interface with different devices or sensors.
The hardware to be connected externally with the Arduino are connecting wires, and a power supply.
The Arduino kit have 6 to 8 pins.
Types of Arduino Sensor
Light Sensor : The light sensor is used to control the light. It is used with LDR (Light Dependent Resistor) in Arduino.
Ultrasonic Sensor : The ultrasonic sensor is used to determine the distance of the object using SONAR.
Temperature Sensor : The temperature sensor is used to detect the temperature around it.
Knock Sensor : The knock sensor is used to pick up the vibrations of the knocking. It is a common category of vibration sensors.
Object Detection Sensor : It is used to detect the object by emitting infrared radiations, which are reflected or bounced back by that object.
Tracking Sensor : It allows the robots to follow a particular path specified by sensing the marking or lines on the surface.
Metal Touch Sensor : It is suitable for detecting the human touch.
Water Level Sensor : It is used to measure the water or the depth of the water level. It is also used to detect leaks in containers.
Vibration Sensor : The vibration sensor is used to measure the vibrations.
Air Pressure Sensor : It is commonly related to meteorology, and biomedical fields. It looks like the below image.
Capacitive Soil Moisture Sensor : It is used to measure the moisture level of the soil.
Microphone Sensor : The microphone sensor in Arduino is used to detect the sound. The analog and digital are the two outputs of this module. The digital output sends a high signal when the intensity of sound reaches a certain threshold. We can adjust the sensitivity of a module with the help of a potentiometer.
Humidity Sensor : The humidity sensor is used to monitor weather conditions.
Motion Sensor : The motion sensor detects the movement and occupancy of the human body with the help of Infrared radiation.
Vibration sensor : The vibration sensor is used to detect the vibrations.
Sound Sensor : The sound sensor is suitable to detect the sound of the environment.
Pressure Sensor : The pressure sensor is used to measure the pressure. The sensor in Arduino measures the pressure and displays it on the small LCD screen.
Magnetic Field Sensor : The magnetic field sensor measures the magnetic field strength and produces a varying voltage as the output in Arduino.
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