Arduino Sensor – Types & Applications

• 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.