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Photoresistor Sensor
A photocell or photoresistor is a sensor that changes its resistance when light shines on it. The resistance generated varies depending on the light striking at his surface. A high intensity of light incident on the surface will cause a lower resistance, whereas a lower intensity of light will cause higher resistance.
Touch Sensor
A touch sensor is a type of device that captures and records physical touch or embrace on a device and/or object. It enables a device or object to detect touch or near proximity, typically by a human user or operator.
Temperature Sensor
A temperature sensor is a device used to measure temperature. This can be air temperature, liquid temperature or the temperature of solid matter. There are different types of temperature sensors available and they each use different technologies and principles to take the temperature measurement.
Moisture Sensor
The soil moisture sensor (SMS) is a sensor connected to an irrigation system controller that measures soil moisture content in the active root zone before each scheduled irrigation event and bypasses the cycle if soil moisture is above a user- defined set point.
Humidity Sensor
A humidity sensor is an electronic device that measures the humidity in its environment and converts its findings into a corresponding electrical signal.Humidity sensors are commonly used in the meteorology, medical, automobile, HVAC and manufacturing industries.
Water/Rain/Liquid Sensor
The working principle of the water level sensor is that when it is put into a certain depth in the liquid to be measured, the pressure on the sensor's front surface is converted into the liquid level height.
Accelerometer Sensor
Accelerometer sensors are ICs that measure acceleration, which is the change in speed (velocity) per unit time. Measuring acceleration makes it possible to obtain information such as object inclination and vibration. g is also used as a unit for acceleration, relative to standard gravity.
IR infrared obstacle avoidance sensor module
Infrared Obstacle Sensor Module has a built-in IR transmitter and IR receiver that sends out IR energy and looks for reflected IR energy to detect the presence of any obstacle in front of the sensor module. The module has an onboard potentiometer that lets users adjust the detection range
HC-SR04 Ultrasonic Module
The HC-SR04 Ultrasonic Distance Sensor is a sensor used for detecting the distance to an object using sonar. ... The HC-SR04 uses non-contact ultrasound sonar to measure the distance to an object, and consists of two ultrasonic transmitters (basically speakers), a receiver, and a control circuit.
HC-SR501 Pyroelectric Infrared Sensor Module
The PIR sensor is a passive sensor (which means it hardly uses any energy to work). It detects infrared radiation from a passing heat source
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