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  • Measuring barometric pressure and temperature
  • More accuracy, better energy consumption and smaller form size
  • Performance is remarkable, the absolute minimum accuracy can reach 0.03 hPa
RM3.90
  • The probe the temperature sensor DS18B20 original chip.
  • High quality stainless steel tube encapsulation 
  • Suitable for temperature measurement
  • Power supply range: DC3.0V to 5.0V
RM3.40
  • Model: YF-S201
  • Sensor Type: Hall effect
  • Working Voltage: 5 to 18V DC (min tested working voltage 4.5V)
  • Max current draw: 15mA @ 5V
  • Output Type: 5V TTL
  • Working Flow Rate: 1 to 30 Liters/Minute
  • Working Temperature range: -25 to +80
  • Working Humidity Range: 35%-80%
  • RH Accuracy: ±10%
  • Maximum water pressure: 1.75 MPa
  • Output duty cycle: 50% +-10%
  • Output rise time: 0.04us
  • Output fall time: 0.18us
  • Flow rate pulse characteristics: Frequency (Hz) = 7.5 * Flow rate (L/min)
  • Pulses per Liter: 450
  • Durability: minimum 300,000 cycles
  • Cable length: 15cm 1/2″ nominal pipe connections, 0.78″ outer diameter, 1/2″ of thread
  • Connection details: Red wire : +5V Black wire : GND Yellow wire : PWM output.
RM14.70
  • Used for rain detection  and rainfall intensity
  • Adjustable sensitivity though a potentiometer
  • Lower the resistance (more water), the lower the voltage
  • Operating voltage: 5V
  • Output LED indicator
RM3.50
  • PWM mode output
  • Compact, light weight
  • Easy to install
  • A single power supply
RM45.30
  • Optical air quality sensor

  • Designed to sense dust particles

  • Effective in detecting very fine particles

  • Low current consumption (20mA max, 11mA typical)
RM38.00
  • Plug-and-play heart-rate sensor for Arduino
  • Easily incorporate live heart-rate data
  • Combines a simple optical heart rate sensor with amplification and noise cancellation
RM21.70
  • IR motion sensor to sense motion
  • Input Voltage: 4.5V – 20V
  • Delay Time: 0.5 – 200 Seconds
  • Sensing Angle: 100° Cone
  • Range 5m – 7m
RM3.80
  • To detect the intensity of light.
  • Resistance will become low according to the intensity of light.
  • Input Voltage: DC 3.3V to 5V
  • Sensitivity adjustable
RM3.20
  • Suitable for obtaining the ambient light data
  • Power Supply: 3 – 5V
  • Sensor Built-in: 16 bit AD converter
  • Possible to detect wide range at high resolution
RM7.90
  • Ultra low-cost digital temperature and humidity sensor
  • 3 to 5V power and I/O
  • New data from it once every 2 seconds,
RM4.80
  • Accurate sensor to measure AC/DC current 
  • Analog voltage proportional to current measured 
  • Extremely stable output offset voltage
  • Nearly zero magnetic hysteresis
  • Factory-trimmed for accuracy
RM6.50
  • Gas sensor that sensitive to alcohol, benzene and smoke
  • Sensitivity of the digital output can be adjust using the potentiometer
  • Operating voltage : 5v
  • Operating current: 150mA
RM5.20

IR Infrared Obstacle Avoidance Module Sensor Arduino Car Robot

  • A pair of infrared transmitter and the receiver 
  • Working voltage of 3.3V-5V
  • Sensor can be adjusted by the potentiometer
  • Little interference, easy to assemble

IR Infrared Flame Detection Sensor Module

  • Can detect the flame or the wavelength at 760 nm to 1100 nm range of the light source
  • The detection angle of 60 degrees, the flame spectrum particularly sensitive
  • Operating Voltage 3.3V-5V
  • Using a wide voltage LM393 comparator

IR Infrared Light (LM393) Sensor Module for Arduino Smart Car Robot

  • Operating voltage 3.3V-5V
  • Digital switch outputs (0 and 1)
  • Has a fixed bolt hole for easy installation
  • Small plates PCB size: 3.2cm * 1.4c
RM1.90
  • Sense for object between the IR emitter and IR receiver
  • count the number of obstruction in a given time frame
  • Flexible operating voltage of 3.3V to 5V
  • Digital output (0V or 3.3V)
  • Utilize LM393 comparator
RM6.40