Operating Voltage(V)

3.3 to 5.5
Communication Interface

I2C
Pressure Measuring Range(hPa)

300~1100
Temperature Measuring Range (°C)

0~65
Mounting Hole Diameter (mm)

13
Length (mm)

18
Width (mm)

11.2

DFRobot Fermion BMP280 Digital Pressure Sensor (Breakout)

SKU: 1073414
In Stock

₹649.00

  1. Operating Voltage: 3.3V-5.5V
  2. Communication Interface: I2C(5V compatible)
  3. Default I2C Address: 0x76
  4. Pressure Measuring Range: 300~1100hPa
  5. Relative Accuracy: ±0.12hPa（±1m）
  6. Absolute Accuracy: ±1hPa（±8.33m）
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Description

This is a breakout version of the BMP280 Barometric Pressure Sensor from DFRobot with temperature and pressure measurement functions, supporting Arduino code control.

Housed in an extremely compact package, the BMP280 is based on Bosch’s proven Piezo-resistive pressure sensor technology featuring high EMO robustness, high accuracy and linearity, and long-term stability. Numerous device operation options offer the highest flexibility to optimize the device regarding power consumption, resolution, and filter performance.

Barometric sensors are usually used to measure barometric pressure and temperature. But besides that, they can also measure altitude and relative floor height due to the fact that there is a certain relationship between altitude and barometric pressure. As for navigation, the barometric pressure sensor can be used to enhance GPS positioning or realize 3D indoor navigation with the IMU sensor.

Features:

  1. High Accuracy
  2. I2C Communication
  3. Small Size
  4. Low Power Consumption

Useful Links

Package Includes:

1 x BMP280 Digital pressure sensor module(V1.0)

1 x 2.54 Single Row 4PIN Connector x1

Additional information

Operating Voltage(V)

3.3 to 5.5
Communication Interface

I2C
Pressure Measuring Range(hPa)

300~1100
Temperature Measuring Range (°C)

0~65
Mounting Hole Diameter (mm)

13
Length (mm)

18
Width (mm)

11.2

Quick Comparison

SettingsDFRobot Fermion BMP280 Digital Pressure Sensor (Breakout) removeSquare 15M Float Switch For Industry Pump Tank Sensor removeDFRobot Non-contact Capacitive Liquid Level Sensor for Container ODgreater than 11mm removeDFRobot Gravity: Analog TDS Sensor/ Meter for Arduino removeSquare 3M Float Switch For Industry Pump Tank Sensor remove24V Capacitive Contactless Externally Liquid Level Sensor remove
NameDFRobot Fermion BMP280 Digital Pressure Sensor (Breakout) removeSquare 15M Float Switch For Industry Pump Tank Sensor removeDFRobot Non-contact Capacitive Liquid Level Sensor for Container ODgreater than 11mm removeDFRobot Gravity: Analog TDS Sensor/ Meter for Arduino removeSquare 3M Float Switch For Industry Pump Tank Sensor remove24V Capacitive Contactless Externally Liquid Level Sensor remove
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SKU107341413646511495703149569513646521364439
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Description
  1. Operating Voltage: 3.3V-5.5V
  2. Communication Interface: I2C(5V compatible)
  3. Default I2C Address: 0x76
  4. Pressure Measuring Range: 300~1100hPa
  5. Relative Accuracy: ±0.12hPa（±1m）
  6. Absolute Accuracy: ±1hPa（±8.33m）
  1. Product: 15 M Float Switch For Industry Pump Tank Sensor
  2. Rated current/voltage: 10(8A) 250V ~ 10(4A) 380V
  3. Wire Length:15m
  4. Protection class: IP68
  5. Working pressure:0.1MPa
  6. Operating temperature: 0~75℃
  7. Electrical life: 1 x 100 000 times
  8. Mechanical life: 5 x 100 000 times
  1. Power Supply: 5~12V
  2. Output: switch quantity
  3. Response Time: 500ms
  4. Operating Temperature: -5~105°C
  5. Suitable Container Outer Diameter: ≥11mm
  1. Input Voltage: 3.3 ~ 5.5V
  2. Output Voltage: 0 ~ 2.3V
  3. Working Current: 3 ~ 6mA
  4. TDS Measurement Range: 0 ~ 1000ppm
  5. TDS Measurement Accuracy: ± 10% F.S. (25 ℃)
  1. Rated current/voltage: 10(8A) 250V ~ 10(4A) 380V
  2. Wire Length: 3M
  3. Operating temperature: 0~75℃ Electrical life: 1 x 100 000 times
  4. Mechanical life: 5 x 100 000 times
  5. Material: Plastic
  6. Color: yellow + blue

 

  1. Operating Voltage: 24 VDC
  2. Dimensions(L x W x H) mm: 3 x 2 x 1
  3. Color: Black
  4. Cable Length: 35 cm
Content

This is a breakout version of the BMP280 Barometric Pressure Sensor from DFRobot with temperature and pressure measurement functions, supporting Arduino code control.

Housed in an extremely compact package, the BMP280 is based on Bosch’s proven Piezo-resistive pressure sensor technology featuring high EMO robustness, high accuracy and linearity, and long-term stability. Numerous device operation options offer the highest flexibility to optimize the device regarding power consumption, resolution, and filter performance.

Barometric sensors are usually used to measure barometric pressure and temperature. But besides that, they can also measure altitude and relative floor height due to the fact that there is a certain relationship between altitude and barometric pressure. As for navigation, the barometric pressure sensor can be used to enhance GPS positioning or realize 3D indoor navigation with the IMU sensor.

Features:

  1. High Accuracy
  2. I2C Communication
  3. Small Size
  4. Low Power Consumption

Useful Links

Package Includes:

1 x BMP280 Digital pressure sensor module(V1.0)

1 x 2.54 Single Row 4PIN Connector x1

Cable Float Switch is a control device for automatic On/Off pumps, motor and magnetic valves. It is also an alarm device at certain pre-determined surface levels. It is suitable for use in non-flammable liquids at 250 volts. In potentially explosive atmospheres (e.g. oil tanks) the Switch can be used in conjunction with (Ex) I-isolator switch units. Due to its large float casing, the float Switch has a buoyancy that guarantees smooth, trouble-free operation under all conditions. The switch has a double chamber and a final remolding finish to make it absolutely hermetic.

Features: 

  1. It can test the pressure of the liquid.
  2. The float switch is a switch that regulates fluid level in the tank or well etc
  3. The float switch is resistant to water(sewage water) it is relatively capable of being used for oil, most acids and alkalis
  4. The float switch is not explosion-proof.

Package Includes:

1 x Square 15M Float Switch For Industry Pump Tank Sensor

This is a non-contact liquid level sensor with status indicator and adjustable sensitivity. It can be used in liquid detection of non-metallic container or pipe(outer diameter>11mm), suitable for all types of detection of curved or flat surfaces, arcs, cylindrical containers or piping fluids. The status feedback of the sensor can be given in real-time. Besides that, the sensor comes with a 4pin sensor adaptor that can directly collect digital signal, convenient for connecting with Arduino or other main-controllers. This liquid level sensor can be widely used in liquid detection of a tank, water dispenser, etc.

Features:

  1. High stability and sensitivity
  2. Adjustable sensitivity
  3. With status indicator
  4. Can be used in liquid detection of non-metallic container or pipe(outer diameter>11MM), non-contact detection, and will not be affected by corrosive liquids like strong acid and alkali, or other impurities
  5. Accurate detection can detect the liquid level of boiling water
  6. Pure electronic circuit structure, non-mechanical structure, stable performance, and long working life
  7. High sensitivity and strong anti-interference ability, not affected by external electromagnetic interference, special treatment for power frequency interference, and common mode interference.
  8. Strong compatibility, penetrate all kinds of non-metallic container pipes, such as plastic, glass, ceramic, and other containers. The thickness of pipe the sensor can detect reaches up to 20mm;
  9. Suitable for all types of detection of curved or flat surfaces, arcs, cylindrical containers or piping fluids
  10. 5~12V wide voltage range, suitable for various circuits or applications.

Specification;

  1. Power Supply: 5~12V
  2. Output: switch quantity
  3. Response Time: 500ms
  4. Operating Temperature: -5~105°C
  5. Suitable Container Outer Diameter: ≥11mm
  6. Liquid Level Error: ±1.5mm
  7. Material: ABS
  8. Waterproof Performance: IP65

Packages Includes

1 x DFRobot Non-contact Capacitive Liquid Level Sensor for Container ODgreater than 11mm

Gravity: Analog TDS Sensor/Meter for Arduino is an Arduino-compatible TDS Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. TDS meter can be applied to domestic water, hydroponic and other fields of water quality testing. You may also check Liquid Senser Selection Guide to get better familiar with our liquid sensor series.

TDS (Total Dissolved Solids) indicates that how many milligrams of soluble solids dissolved in one liter of water. In general, the higher the TDS value, the more soluble solids dissolved in water, and the less clean the water is. Therefore, the TDS value can be used as one of the references for reflecting the cleanliness of water.

TDS pen is widely used equipment to measure TDS value. The price is affordable, and it is easy to use, but it is not able to transmit data to the control system for online monitoring to do some water quality analysis. The professional instrument has high accuracy and can send data to the control system, but the price is expensive for ordinary people. To this end, we have launched an analog TDS sensor kit that is compatible with Arduino, plug, and play, easy to use. Matching with Arduino controller, you can build a TDS detector easily to measure the TDS value of liquid.
This tds sensor supports 3.3 ~ 5.5V wide voltage input, and 0 ~ 2.3V analog voltage output, which makes it compatible with a 5V or 3.3V control system or board. The excitation source is an 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 a long time measurement.

Features:

  1. Wide Voltage Input: 3.3~5.5V
  2. Good Compatibility Output: 0~2.3V analog signal output, compatible with 5V or 3.3V controller
  3. AC Excitation Source: effectively prevent the probe from polarization
  4. Waterproof Probe
  5. Easy to Use: Arduino compatible, simple connection, plug, and play without soldering

Specifications:

Signal Transmitter Board

  1. Input Voltage: 3.3 ~ 5.5V
  2. Output Voltage: 0 ~ 2.3V
  3. Working Current: 3 ~ 6mA
  4. TDS Measurement Range: 0 ~ 1000ppm
  5. TDS Measurement Accuracy: ± 10% F.S. (25 ℃)
  6. Module Size: 42 * 32mm
  7. Module Interface: PH2.0-3P
  8. Electrode Interface: XH2.54-2P

TDS probe

  1. Number of Needles: 2
  2. Total Length: 83cm
  3. Connection Interface: XH2.54-2P
  4. Color: Black
  5. Other: Waterproof Probe

Packages Includes:

1 x DFRobot Gravity: Analog TDS Sensor/ Meter for Arduino

A cable Float Switch is a control device for automatic On/Off pumps, motors,s and magnetic valves. It is also an alarm device at certain pre-determined surface levels. It is suitable for use in non-flammable liquids at 250 volts. In potentially explosive atmospheres (e.g. oil tanks) the Switch can be used in conjunction with (Ex) I-isolator switch units. Due to its large float casing, the float Switch has a buoyancy that guarantees smooth, trouble-free operation under all conditions. The switch has a double chamber and a final remolding finish to make it absolutely hermetic.

Features: 

  1. It can test the pressure of the liquid
  2. The float switch is a switch that regulates fluid level in the tank or well etc
  3. The float switch is resistant to water(sewage water) it is relatively capable of being used for oil, most acids and alkalis
  4. The float switch is not explosion-proof

Package Includes:

1 x Square 3 M Float Switch For Industry Pump Tank Sensor

This contactless capacitive  Externally attachable Liquid Level Sensor can use to detect liquid levels without dipping/touching the liquid. you just need to stick the sensor to the external body of the tank where you need the alert.

Compared to Reed switch

1. Small size and small installation space.

2. It can be used after being installed on the outer wall of the container. The tank need not to be any changes, which is convenient for installation.
The use of a float-type liquid level sensor requires openings in the container, and the container cannot be moved.

3. The float type liquid level sensor needs to contact the liquid to detect the liquid level. The internal magnet will absorb
impurities in the water to form scale. The scale will cause the weight of the float to affect the accuracy of the liquid level
detection.

Capacitive level sensor is non-contact type .

4. The float type liquid level sensor uses the rise and fall of the liquid level to drive the float ball with a magnet, so that
the internal reed switch is turned on/off, so the float type liquid level sensor will be affected by the water level, and the
float ball is easy to stuck, low reliability.

The capacitive type has no mechanical moving parts and has high reliability.
Application
Water fountain, water dispenser, water cooler, air cooler, dehumidifier, coffee machine, coffee maker, water heater, water boiler, hydroponic system, air conditioner, humidifier, bathroom equipment, vending machine, oil tank, chemical liquid level control. It will be widely applied in motor vehicles, industrial equipment, agriculture equipment and household appliances in the future.

Features:

  1. The miniature design allows for installation in areas where space is limited.
  2. They are solid state, with no moving parts, unlike mechanical switches where debris can get jammed and cause unreliability.
  3. Cost-effective.
  4. A wide variety of power output is available, allowing the sensor to switch lower power equipment directly, eliminating the need for costly interfaces
  5. Easy to install, saving assembly time.
  6. Very robust which permits use in a wide range of fluids.
  7. Housings, cabling, and connectors are made to your requirements

Package Includes:

1 x 24V Capacitive Contactless Externally Liquid Level Sensor

Weight
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Operating Voltage(V)

3.3 to 5.5
Communication Interface

I2C
Pressure Measuring Range(hPa)

300~1100
Temperature Measuring Range (°C)

0~65
Mounting Hole Diameter (mm)

13
Length (mm)

18
Width (mm)

11.2
Input Voltage (V)

250 VAC
Cable Length (Meter)

15
working Pressure

0.1MPa
Operating Temperature (°C)

0 to 75
Electrical life

1 x 100 000 times
Mechanical life

5 x 100 000 times
Material

ABS Plastic
Rectangle Box

103x78x45 mm
Cylinder

61x55mm
Color

Blue-Yellow
Product Type

Industry Pump Tank Sensor
Input Voltage (V)

10(8A) 250V ~ 10(4A) 380V
Operating Temperature (°C)

0~75℃ Electrical life: 1 x 100 000 times
Cable Length (Meter)

3
Mechanical life

5 x 100 000 times
Material

78×103.5mm/ 3.07×4.07in
Color

As per shown in images
Working pressure

0.1MPa
Protection Class

IP68
Cylinder

61x55mm/ 2.4×2.17in
Rectangle box

78×103.5mm/ 3.07×4.07in
Product Type

Liquid Level Sensor
Operating Voltage(V)

24V
Product Dimensions

3 x 2 x 1mm
Color

Black
Cable Length (cm)

35cm