37 Top Used Sensors for Arduino – Kuongshun Electronic Shop
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37 Top Used Sensors for Arduino

The beauty of the Internet of Things is that we can automate things and let them run automatically, without the need for us to always get involved in the process. Where the sensor is needed, then the role of the eye is used to control the part of the system.

 

What is a sensor?
Wikipekia explains best: "A sensor is an object whose purpose is to detect events or changes in its environment and then provide the corresponding output."

 

Why do we need sensors?
A sensor is a person who provides data to the system through input. Say you set the air conditioning system to make the room temperature 15 degrees, considering it before (and the temperature of the current room is different that 15 degrees), now the system starts to inject air to the required temperature of the room, how does it know when the room temperature has arrived? 

This is where the sensor comes into play: there must be a sensor in the room that tells the air conditioning system to stop pumping when the required temperature is reached. This is roughly the case.

We need sensors to provide data to the system and tell the controller when to take action.

If you are making an Arduino smart car, it can avoid obstacles while cruising. For example, you can use a collision crash sensor to tell the controller when the obstacle is in front of the car. The controller can tell the wheel to stop and move to a different direction.

 

 

Most used sensors in the kit

  • Temperature and humidity sensor
Temperature and humidity sensor
This is a temperature and humidity sensor. You can use Arduino-compatible sensors to monitor ambient temperature or humidity. As a basic project, you can insert an LCD into the Arduino and let it display room temperature/humidity.

 

 

  • Ultrasonic Distance sensor
Ultrasonic Distance sensor
    The sensor automatically transmits an audio signal of 40 kHz and detects if a pulse signal is returned. It sends a signal that, if received back, calculates the distance the signal travels, that is, the distance from the sensor to the object in front of it. It can sense objects in the range of 2cm~500cm.
    • Tilt switch sensor module
    Tilt switch sensor
    Closes the circuit when it is tilted to the side as long as it is moved with enough force and degree of inclination to activate the ball switch inside.
    • Tap module

    tap module

    Knock sensor module and a digital 13 interface,
    built-in LED build a simple circuit to produce percussion flasher.
    Interface comes with digital LED,
    will knock sensor connected digital 3 interface,
    when percussion sensor senses measure
    to percussive signals, LED flashing light.
    • Active Buzzer
    active buzzer
      The active buzzer has built-in electronics that produces the buzzer sound. For this reason it will sound when power is connected to it and does not need any external electronics or an Arduino for it to produce a sound.
      • Avoidance Sensor
      avoidance sensor
      This Infrared Obstacle Avoidance Sensor returns a signal when it detects an object in range. The range of the sensor is around 2-40 cm is distance. It operates at 3.5 to 5 volts at around 20 milliamps. 
      • Laser Module
      LASER MODULE
      A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. Lasers differ from other sources of light because they emit light coherently.
      • Relay Module
      relay module
      A relay is commonly used to interface a low-current circuit to a higher-current circuit.The Arduino 5V relay module is suitable for SCM development, home appliance control. It is with 5V~12V TIL control signal which can control DC / AC signal. 
      • Water Sensor
      Water sensor
      This sensor is used for water detection and can be used in project where like: sensing the rainfall, water level, water leakage, Tank overflow detector. This sensor can easily convert the water size to analog signal, and the output analog value can directly be used in the program function, then to achieve a desire function.
      • Flame Sensor
      Flame sensor
      This sensor detects the presence of flame and is often be used to detect the presence of light as well. It detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. A light flame test can be triggered within 0.8m. If the intensity of flame is high, the detection distance will be increased.