Programming Languages / Sensors suitable for Arduino / Nodecmu / Raspberry pi Sensor

A device which detects or measures a physical property and records, indicates, or otherwise responds to it.

List of the Sensors suitable for Arduino / Nodecmu / Raspberry pi
S.No Sensor Name Details Diagram
1. HC-SR04 Ultrasonic It uses sonar to determine distance to an object like bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. It comes complete with ultrasonic transmitter and receiver modules. HC-SR04 Ultrasonic
2. IR Infrared Obstacle Avoidance Sensor An IR sensor can measure the heat of an object as well as detects the motion. It is  used in robots to detect objects near the sensor. These sensors have a digital output pin that outputs a signal when it detects an object. When the module detects an obstacle, the green indicator light on the board lights up. The module detects the distance 2 ~ 30cm, detection angle 35 °. HC-SR04 Ultrasonic
3. Soil Hygrometer Detection It is a water sensor that can be used to detect soil moisture. It outputs a high signal when the moisture is above a certain threshold. You can also read an analog signal whose value is proportional to the moisture level. Use this sensor to create an automatic self-watering plant. HC-SR04 Ultrasonic
4. Microphone Sensor It is used to detects sound signals and converts them into an electrical signal. It has 2 outputs: Analog output or Digital output. Digital output It sends a high signal when the sound the sound intensity reaches a certain threshold. The threshold-sensitivity can be adjusted via potentiometer on the sensor. HC-SR04 Ultrasonic
5. Digital Barometric Pressure Sensor It is used to measure the absolute pressure of the environment/ air around them. By converting the pressure measures into altitude, you have a reliable sensor for determining the height of your robot or projectile, for example. This sensor also measures temperature and humidity.  HC-SR04 Ultrasonic
6. Photoresistor Sensor It is used for light detection or detect the intensity of light with an Arduino. It  has a potentiometer knob that can be adjusted to change the sensitivity of LDR towards light. HC-SR04 Ultrasonic
7. Digital Thermal Sensor It is used to detect the ambient temperature. Through the adjustment of the potentiometer, you can change the temperature detection threshold. HC-SR04 Ultrasonic
8. Rotary Encoder Sensor It is a type of position sensor which is used for determining the angular position of a rotating shaft. It generates an electrical signal either analog or digital according to the rotation movement. HC-SR04 Ultrasonic
9. MQ-2 Gas Sensor It is used in gas leakage detecting equipments in family and industry. The resistance of the sensitive component changes as the concentration of the target gas changes. The MQ-2 gas sensor is sensitive to LPG, i-butane, propane, methane, alcohol, Hydrogen and smoke. HC-SR04 Ultrasonic
10. SW-420 Motion Sensor It is used  to detect various vibrations  that beyond the threshold. HC-SR04 Ultrasonic
11. Humidity and Rain Detection Sensor

It is used for rain detection. It can be used as a switch when raindrop falls through the raining board and also for measuring rainfall intensity.

HC-SR04 Ultrasonic
12. Passive Buzzer It is a sound making module. You set high or low to drive this module. By changing the frequency you’ll hear a different sound. HC-SR04 Ultrasonic
13. Speed Sensor (Tachometer) It allows you to test the speed of the motor. It is used for motor speed detection, pulse count, position limit, and so on. HC-SR04 Ultrasonic
14. IR Infrared Flame Detection Sensor It is used to detect a flame or a light source of a wavelength in the range of 760nm to 1100 nm. Detection point of about 60 degrees, particularly sensitive to the flame spectrum. HC-SR04 Ultrasonic
15. 5V 2-Channel Relay Module It is used for the purpose of protection of the equipment connected with it. These are used to control the high voltage circuit with low voltage signal in applications audio amplifiers and some types of modems. HC-SR04 Ultrasonic
16. Breadboard Power Supply Module 3.3V 5V It is used to power up your breadboard circuits from an external power supply. It supplies both 3.3V and 5V. HC-SR04 Ultrasonic
17. HC-SR501 Pyroelectric Infrared Sensor It is used to detect movement from humans or pets and is integrated with your microcontroller. HC-SR04 Ultrasonic
18. Accelerometer Module It is used to measure the acceleration. It’s commonly used in portable devices and video game controllers to detect movement and actions from the player. HC-SR04 Ultrasonic
19. DHT11 Temperature and Humidity Sensor It is used to measure temperature and humidity in your room or outside. It is integrated with a high-performance 8-bit microcontroller. HC-SR04 Ultrasonic
20 or 21. RF 433MHz Transmitter/Receiver If you need data sent from one microcontroller to another. It is used to transmit and receive the data because it has high volume of applications than IR. RF signals travel in the transmitter and receiver even when there is an obstruction. It operates at a specific frequency of433MHz. HC-SR04 Ultrasonic
21 ESP8266 WiFi Module It is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. It  can send emails, host a web server, control LEDs, etc. HC-SR04 Ultrasonic

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