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MQ-7 MQ7 Carbon Monoxide Sensor Module CO Checker Detects Gas Sensor Module for Arduino

DESCRIPTION

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. This sensor has a high sensitivity and fast response time. The sensor’s output can be either digital or an analog resistance. All you need to do is power the heater coil with 5V, and connect the analog output to an ADC or the digital output a GPIO.

 

SPECIFICATION

  • Operating voltage of 5V
  • Operating current of 150mA
  • Digital output (0V or 5V)
  • Analog output: 0.1V to 4V
  • Adjustable trigger threshold through potentiometer
  • Dimension of 32mm * 20mm * 22mm
RM12.00
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GY-68 BMP180 Replace BMP085 Digital Barometric Pressure Sensor Module For Arduino

Description :                                                                                                                                  
1.8V to 3.6V Supply Voltage 
Low power consumption - 0.5uA at 1Hz 
I2C interface 
Max I2C Speed: 3.5Mhz 
Very low noise - up to 0.02hPa (17cm) 
Full calibrated 
Pressure Range: 300hPa to 1100hPa (+9000m to -500m) 
Size: 21mm x 18mm  

Shipping list: 1 X BMP180 Breakout Board

RM9.50
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GY-BMP280-3.3 High Precision Atmospheric Pressure Sensor Module for Arduino

GY-BMP280-3.3 High Precision Atmospheric Pressure Sensor Module for Arduino

 Description :                                                                    
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter accuracy.  

Shipping list:1PCS *GY-BMP280-3.3 Module.

RM8.40
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GY-BMP280-3.3 High Precision Atmospheric Pressure Sensor Module for Arduino

 Description :                                                                    
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter accuracy.  

Shipping list:1PCS *GY-BMP280-3.3 Module.

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Pulse & Heart Beat Sensor for Arduino

The Pulse Sensor is a plug-and-play heart-rate sensor for Arduino. It can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart-rate data into their projects.Essence it is an integrated optical amplifying circuit and noise eliminating circuit sensor. Clip the Pulse Sensor to your earlobe or finger tip and plug it into your Arduino ,you can ready to read heart rate. Also it have an Arduino demo code that make it easy to use.

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SPECIFICATION

  • Operating voltage of 5V
  • Operating current of 4mA
  • Model number SO00837PS
RM20.00
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Analog pH Sensor / Meter Kit For Arduino
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? DFRobot analog pH meter, specially designed for Arduino controllers and has convenient and practical "Gravity" connector and a bunch of features. Instant connection to your probe an your Arduino to get pH measurements at ± 0.1pH (25 ℃). For most hobbyist this great accuracy range and it's low cost makes this a great tool for biorobotics and other projects! It has an LED which works as the Power Indicator, a BNC connector and PH2.0 sensor interface. To use it, just connect the pH sensor with BND connector, and plug the PH2.0 interface into the analog input port of any Arduino controller. If pre-programmed, you will get the pH value easily. Comes in compact plastic box with foams for better mobile storage.

Build your own PH meter gadjet, or a water monitoring station for your water tanks. This and our other water sensor devices could make for the ultimate water control device. Use it for your  aquaponics or fish tanks or other materials that need measurements. 

This is a laboratorial probe, it can't be immersed in the liquid for too long time. You can check here for the whole Analog pH Sensor / Meter Pro Kit For Arduino or a spare Industrial Probe as replacement

RM170.00
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Analog Turbidity Sensor For Arduino
  • The arduino turbidity sensor detects water quality by measuring level of turbidity
  • It is compatible with Arduino via Gravity interface
  • It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water
  • Turbidity sensors can be used in measurement of water quality in rivers and streams, wastewater and effluent measurements, sediment transport research and laboratory measurements
  • Please note that the top of probe is not waterproof
  • Brand : DFROBOT
RM60.00
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5mm IR Transmitter
RM0.80
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5mm IR Receiver
RM0.80
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