Sensor Modules

Approx. Rs 180 / PieceGet Latest Price

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Reed switch is a kind of passive electronic switching component with contacts with a simple structure, small size and easy to control. It consists of a sealed glass envelope where there are two ferrous elastic reeds and is filled with inert gas called rhodium. Normally, the two reeds are separated in the envelope. When a magnetic substance approaches to the glass envelope, the reeds will come together due to the magnetic field thus completing an electric circuit. When the external magnetic field disappears, two reeds will be separated because of their elasticity, the circuit is also disconnected. Therefore, as a circuit switching device controlled by magnetic field signals, reed switch can also be used as a sensor for counting and limiting, etc. ( applied in the security systems, mainly used for production of door and window magnets), and it is also widely used in a variety of communications devices. In practice, it is common to use the two permanent magnets to control connection of two metal sheets, thus it is also called a "magnetron."
SPECIFICATIONS
• operating voltage 3.3V-5V • the output in the form: Digital switching outputs (0 and 1) • a fixed bolt hole for easy installation • small board PCB size: 3.2cm x 1.4cm • wide voltage LM393 comparator

Approx. Rs 145 / PieceGet Latest Price

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• AHT10, a new generation of temperature and humidity sensors, sets a new standard in size and intelligence. The sensor outputs a calibrated digital signal in standard I2C format. The AHT10 is equipped with a newly designed ASIC-specific chip, an improved MEMS semiconductor capacitive humidity sensing element and a standard on-chip temperature sensing element.
• Technical Specifications
• Interface Type: I2C.
• Working voltage: 3.3~5.0 Vdc.
• Measurement Range:Temperature: -40ºC 85ºC.
• Humidity: 0~100%.
• Humidity accuracy: typical ± 2%.
• Humidity resolution: 0.024%.
• Temperature accuracy: typical ± 0.3 ° C.
• Temperature resolution: Typical 0.01 °C.
• Module size: 16×11 mm.
• Working temperature: -40°C~85°C.

Approx. Rs 50 / PieceGet Latest Price

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This sensor buffers a piezoelectric transducer. As the transducer is displaced from the mechanical neutral axis, bending creates strain within the piezoelectric element and generates voltages. This sensor works on 5v. It gives Digital high (5V) output whenever vibration is detected. The Vibration Sensor Detector is designed for the security practice When Vibration Sensor Alarm recognizes movement or vibration, it sends a signal to controller.

It works on electromechanical principle. Vibration velocity sensors operate in accordance with the electrodynamics principle and are used for measuring the bearing absolute vibration based on the piezoelectric effect. Change in resistance due to the force acting on it and convert it into 4 -20 mA. We have piezoelectric sensor which detects the vibration created on the surface. We can also use shock sensor to detect vibrations.

 

FEATURES

• Operating voltage: 5V DC

• Output pattern: digital pulse

• Frequency Range: 0.5HZ ~ 20HZ

• Low cost

ADVANTAGES

• Since the output is of digital pattern it is easy to use

• Immune to water and oil on the object surface

• High stability, with few secular changes

Approx. Rs 120 / PieceGet Latest Price

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LDR sensor module is used to detect the intensity of light. It is associated with both analog output pin and digital output pin labelled as AO and DO respectively on the board. When there is light, the resistance of LDR will become low according to the intensity of light. The greater the intensity of light, the lower the resistance of LDR. The sensor has a potentiometer knob that can be adjusted to change the sensitivity of LDR towards light.

Photo resistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The resistance of a photo resistor decreases with increasing incident light intensity; in other words, it exhibits photo conductivity. A photo resistor can be applied in light-sensitive detector circuits, and light- and dark-activated switching circuits. A photo resistor is made of a high resistance semiconductor. In the dark, a photo resistor can have a resistance as high as several (MΩ), while in the light, a photo resistor can have a resistance as low as a few hundred ohms. If incident light on a photo resistor exceeds a certain frequency, photons absorbed by the semiconductor give bound electrons enough energy to jump into the conduction band.
    The resulting free electrons conduct electricity, thereby lowering resistance. The resistance range and sensitivity of a photo resistor can substantially differ among dissimilar devices. Moreover, unique photo resistors may react substantially differently to photons within certain wavelength bands.


FEATURES

• Sensitive Photo Resistor Sensor
• Comparator output provides clear signal, good wave form and great drive ability, over 15mA
• With adjustable potentiometer for adjusting brightness of testing light
• Working voltage: 3.3~5V
• Digital output (0 / 1) and analog output
• With fixed screw hole for easy installation
• Using wide voltage LM393 compara