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Top 12 Most Popular Sensors - 2018 Top Rated DFRobot Sensors Review

DFRobot Jan 01 2019 692

In 2018 we extend our sensor coverage by releasing copious amounts of new sensors to capture, measure and convert much more physical actions into digital data. We also release many new sensors towards a much wide space for you to explore. Among all these sensors, what are the top popular ones?


 

I. Gravity: Analog Electrical Conductivity Sensor /Meter V2 (K=1)     $69.9

 

(Released on 2014 Apr)

(Pro version released - Gravity: Analog Electrical Conductivity Sensor / Meter(K=10)
 


DFRobot Gravity: analog electrical conductivity meter V2 is specially used to measure the electrical conductivity of aqueous solution, and then to evaluate the water quality, which is often used in water culture, aquaculture, environmental water detection and other fields.

The excitation source adopts AC signal, which effectively reduces the polarization effect, improves the precision and prolongs the life of the probe; The software library uses two-point calibration method, and can automatically identify standard buffer solution, so simple and convenient.
                                                                                                                                           
 


 

II. Gravity: Analog TDS Sensor/Meter for Arduino     $12.90

(Released on 2017 Dec)
 


This is an Arduino-compatible TDS sensor/Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. It can be applied to domestic water, hydroponic and other fields of water quality testing.

This product supports 3.3 ~ 5.5V wide voltage input, and 0 ~ 2.3V analog voltage output, which makes it compatible with 5V or 3.3V control system or board. The excitation source is AC signal, which can effectively prevent the probe from polarization and prolong the life of the probe, meanwhile, increase the stability of the output signal. The TDS probe is waterproof, it can be immersed in water for long time measurement.
                                                                                                                                           

 

III. Pixy 2 CMUcam5 Image Sensor (Robot Vision)    $59.95


 

Pixy2 is smaller, faster and more capable than the original Pixy. Like its predecessor, Pixy2 can learn to detect objects that you teach it, just by pressing a button. Additionally, Pixy2 has new algorithms that detect and track lines for use with line-following robots. The new algorithms can detect intersections and “road signs” as well. The road signs can tell your robot what to do, such as turn left, turn right, slow down, etc. And Pixy2 does all of this at 60 frames-per-second, so your robot can be fast, too.
                                                                                                                                           


 

IV. Gravity: Analog Capacitive Soil Moisture Sensor- Corrosion Resistant    $7.90

(Released on 2015 Dec)
 


Gravity: Analog Capacitive Soil Moisture Sensor measures soil moisture levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor. It is made of a corrosion resistant material giving it a long service life. Insert it into soil and impress your friends with the real-time soil moisture data!
The product includes an on-board voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V. It is compatible with low-voltage MCUs (both 3.3V and 5V logic). To make it compatible with a Raspberry Pi, an ADC converter is required.
                                                                                                                                           


 

V. Gravity: Analog Sound Sensor For Arduino   $4.40

(Released on 2010 Jun)

 

As one of our new version of breakout boards, we have improved the analog sound sensor in below:  

  • Wide voltage range from 3.3V to 5V
  • Standard assembling structure (two 3mm holes with multiple of 5cm as interval)
  • Easily recognitive interfaces of sensors ("A" for analog and "D" for digital)
  • Icons to simplely illustrate sensor function 
  • High quality connector
  • Immersion gold surface

                                                                                                                                           


 

VI. Gravity BMP388 Barometric Pressure Sensors   $6.90

(Released on 2018 Oct)

The barometric pressure is usually used to measure barometric pressure and temperature. But besides that, we can also use the sensor to measure the altitude and the relative floor height due to the fact that there is a certain relationship between altitude and barometric pressure. What’s more, BMP388 enables accurate GPS tracking. So with an IMU sensor and BMP388, we can experience 3D indoor positioning and navigation.
                                                                                                                                           


 

VII. Gravity BNO055+BMP280 intelligent 10DOF AHRS  $25.90

(Released on 2018 Oct)

 

BNO055 is a new sensor IC for implementing an intelligent 9-axis Absolute Orientation Sensor, especially designed for mobile applications, which can realize the measurement of barometric pressure and temperature(the data can be converted into altitude through the specific formula). The sensor module is housed in an extremely compact package. It is based on Bosch’s proven Piezo resistive pressure sensor technology featuring high accuracy and linearity as well as long term stability and high EMC robustness.

                                                                                                                                           


 

VIII. Gravity: Analog pH Sensor/Meter Kit V2  $39.50

(Released on 2018 Aug)
 

Gravity: Analog pH meter V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, and environmental water testing.

As an upgraded version of pH meter V1, this product significantly improves the precision and user experience. The onboard voltage regulator chip supports the wide voltage supply of 3.3~5.5V, which is compatible with 5V and 3.3V main control board. The output signal filtered by hardware has low jitter. The software library adopts the two-point calibration method, and can automatically identify two standard buffer solutions (4.0 and 7.0), so simple and convenient.
                                                                                                                                           


 

IX. Gravity: Digital Shake Sensor  $2.50

(Released on 2018 Nov)

The digital shake sensor is to detect hand shaking which is only sensitive to unidirectional hand movements. The spring-type vibration switch is used to output a low-level pulse when the user shakes once in the specified direction and the on-board indicator flashes at the same time. Thanks to the unidirectional sensitivity of the vibration switch and the corresponding filter circuit, it has strong anti-shock interference capability to prevent false triggering. Simple and easy, switch controls are all in just a single shake. 
                                                                                                                                           


 

X. Gravity: Digital Microwave Sensor (Motion Detection)   $8.90

(Released on 2016 Jan)
 


 

The microwave sensor applies the Doppler effect to detect moving objects using microwaves. This differs from the method used by a regular infrared (IR) sensor as microwave is sensitive to a variety of objects that are microwave-reflective, and its sensor readings are not affected by the ambient temperature.

This type of microwave sensor is widely used in industrial, transportation and civil applications such as measuring vehicle speed, liquid levels, automatic door motion detection, automatic washing, production line material detection and car reversing sensors etc.

                                                                                                                                           


 

XI. Gravity: I2C BMI160 6-Axis Inertial Motion Sensor   $9.90

(Released on 2018 Jun)
 


The BMI160 6-axis inertial motion sensor is based on Bosch BMI160 6-axis MEMS sensor which integrates 16-bit 3-axis accelerometer with ultra-low-power 3-axis gyroscope. Bosch BMI160 is designed for smartphones, tablets, wearable devices. It has built-in intelligent step-counting algorithms that can be read directly through registers. Built-in 3-axis acceleration and 3-axis gyroscope can detect running, fitness and other motion.
 

                                                                                                                                           


 

XII. Gravity: Photoelectric Water / Liquid Level Sensor For Arduino   $5.50

(Released on 2016 May)
 


This is a photoelectric water liquid level sensor that is operates using optical principles. The advantages of this photoelectric water liquid level sensor are good sensitivity and no need for mechanical parts - meaning less calibration! The corrosion resistant probe is easily mounted and can handle high temperature and high pressure. The arduino liquid sensor is equipped with an interface adapter for compatibility with the DFRobot "Gravity" interface.
 

                                                                                                                                           

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