Along with such quantities as wind speed, rainfall intensity, air density or temperature, it is important to measure the atmospheric pressure. If you need to accurately determine the weather conditions, then the best solution is to select the appropriate diagnostic equipment. Modern electronics include easy-to-use sensor modules for atmospheric pressure measurements that enable accurate measurements. In industrial automation systems and in automated production processes, temperature, humidity and pressure sensors are very often used. The quantity measured by them is usually converted into a voltage signal which is fed to the microcontroller included in the measurement system. Such sensors are also found in the automotive industry, as well as in hobby constructions, which are perfectly suited to atmospheric parameters sensors in the form of Grove modules, which you can connect to the Arduino.
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Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE) - Adafruit 2633
Index: ADA-08299
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Pressure sensors
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LPS25HB - pressure and altitude sensor 126kPa I2C / SPI 2.5-5.5V - Pololu 2867
Sensor for measuring a pressure in the range from 26 kPa to 126 kPa with a accuracy at the level of ± 0,02 kPa. The measurement result can be easily converted to a height....
Index: PLL-12988
Index: PLL-12988
BME280 - humidity, temperature and pressure sensor 110 kPa I2C / SPI - 3.3V - soldered connectors
Very easy to use temperature, humidity and pressure sensor. The module is powered by 3.3 V and can also communicate via I2C or SPI interface . Sensors of this type are...
Index: ZES-16534
Index: ZES-16534
BMP280 - digital barometer, pressure sensor 110kPa I2C/SPI 3,3V
Based on the BMP280 digital pressure sensor with an accuracy of 1 hPa. It has a built-in temperature sensor. The system communicates via the I2C or SPI bus. Measurement range...
Index: MOD-07245
Index: MOD-07245
BME280 - humidity, temperature and pressure sensor 110 kPa I2C / SPI - 3.3V
Humidity, temperature and pressure sensor powered with the voltage of 3.3 V with I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 10% RH to 100%...
Index: DNG-11803
Index: DNG-11803
Module with digital barometer with the range from 50 to 110 kPa, it allows to measure altitude with an accuracy of 30 cm, and temperature with a built-in sensor. It is supplied...
Index: SPF-02129
Index: SPF-02129
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Gravity - 9DOF sensor BMX160 + temperature and pressure sensor BMP388 - I2C- DFRobot SEN0252
The module is equipped with two BMX160 and BMP388 sensors. BMX160 is a 9-axis sensor which allows to measure the acceleration in the ranges ± 2 g / ± 4 g / ± 8 g / ± 16 g...
Index: DFR-15712
Index: DFR-15712
BME - humidity, temperature and pressure sensor I2C/SPI - 3,3V/5V - Waveshare 15231
Humidity, temperature and pressure sensor powered with the voltage of 3.3 V or 5 V with I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 0 %RH...
Index: WSR-13463
Index: WSR-13463
LPS331AP - pressure and altitude sensor 126kPa I2C/SPI 3-5V - Pololu 2126
The LPS331AP sensor for measuring pressure in the range of 26 kPa to 126 kPa with an accuracy at the level of ±0.2 kPa. The result of the measurement can be easily changed to...
Index: PLL-01421
Index: PLL-01421
Humidity, temperature and pressure sensor powered with a voltage of 3 to 5 V with I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 10% RH to 100%...
Index: ADA-04633
Index: ADA-04633
Digital atmospheric pressure sensor - barometer - BMP280 - I2C - DFRobot SEN0372
Digital atmospheric pressure sensor manufactured by DFRobot. It has an integrated BMP280 chip from Bosch. The module integrates temperature and atmospheric pressure -...
Index: DFR-19198
Index: DFR-19198
Multifunctional environmental sensor from SparkFun equipped with the BME280 chip. It allows you to measure atmospheric values such as temperature, humidity and pressure. In...
Index: SPF-21423
Index: SPF-21423
MPRLS - pressure sensor 172kPa I2C 3-5V - Adafruit 3965
A pressure sensor that provides measurement in closed spaces using the cable. It communicates using the I2C interface. The measuring range of pressure is from 0 to 172 kPa. It...
Index: ADA-12999
Index: ADA-12999
Fermion - Pressure Sensor ICP-10111 - DFRobot SEN0516
The Fermion temperature and barometric pressure sensor module from DFRobot, features a built-in ICP-10111 sensor, made with MEMS technology. It is powered by 3.3 V to 5.5 V ....
Index: DFR-20977
Index: DFR-20977
Grove - BME280 - humidity, temperature and pressure sensor 110kPa I2C 3-5V
The Grove module is equipped with a humidity, temperature and pressure sensor powered with the voltage of 3.3 V to 5 V with I2C and SPI interface. Measuring range: temperature:...
Index: SEE-11355
Index: SEE-11355
BMP390L - pressure and temperature sensor - STEMMA QT / Qwiic - Adafruit 4816
Sensor module equipped with a Bosch BMP388 and BMP390 digital barometer . Enables precise measurement of pressure and altitude in the pressure range from 300 hPa to 1250 h...
Index: ADA-19003
Index: ADA-19003
LPS25HB - pressure and altitude sensor 126kPa I2C / SPI 2.5-5.5V - Pololu 2867 - soldered pins
The sensor enables pressure measurements in the range from 26 kPa to 126 kPa with an accuracy of ± 0,02 kPa. The measurement result can be easily converted into height. In...
Index: PLL-19263
Index: PLL-19263
BME680 multi-functional 4in1 environmental sensor - SPI / I2C - DFRobot SEN0375
A 4-in-1 MEMS multifunctional environmental sensor manufactured by DFRobot. It features an embedded BME680 chip. The module is a combination of a volatile organic compound...
Index: DFR-19199
Index: DFR-19199
SparkFun Qwiic MicroPressure Sensor - SparkFun SEN-16476
SparkFun Qwiic MicroPressure Sensor is a miniature pressure measurement module equipped with a 25 psi piezoresistive pressure sensor from Honeywell. It enables calibrated...
Index: SPF-21157
Index: SPF-21157
Environmental Combo CCS811/BME280 - weather station QWIIC - SparkFun SEN-14348
Digital sensor to measure atmospheric conditions i.e.: temperature from -40 °C to 85 °C, humidity from 0 to 100 % RH, pressure from 300 hPa to 1100 hPa, indirectly measuring...
Index: SPF-09697
Index: SPF-09697
Module with sensor BME680 from Bosch, it includes measurement of temperature, humidity, pressure and gases. It is able to measure humidity from 10% to 90% RH , pressure from...
Index: ADA-10872
Index: ADA-10872
DFRobot Gravity - digital barometer, pressure and altitude sensor 1250hPa I2C/SPI 3,3-5,5V
Module with digital barometer from Bosch BMP388. The measurement range is from 300 hPa to 1250 hPa relative accuracy of 8 Pa on approx. 0.5 m of altitude. The system is...
Index: DFR-13156
Index: DFR-13156
LPS35HW pressure sensor - STEMMA QT - Adafruit 4258
Pressure sensor with integrated LPS35HW circuit. The measuring range of the module is from 260 hPa to 1260 h Pa, with an accuracy of +/- 0,1% hPa. It can be used in places...
Index: ADA-19001
Index: ADA-19001
BME280 - humidity, temperature and pressure sensor I2C/SPI - SparkFun SEN-15440
Atmospheric sensor manufactured by SparkFun based on Bosch Sensortec BME280 integrated environmental sensor. This module is an easy way to measure atmospheric pressure,...
Index: SPF-19846
Index: SPF-19846
MPL115A2 - digital barometer, pressure / altitude sensor 115kPa I2C 3-5V - Adafruit 992
Module with digital barometer that provides pressure measurement in the range of 500 to 1150 hPa with the accuracy of up to 1.5 hPa, and altitude of up to 10 km with an...
Index: ADA-04139
Index: ADA-04139
Temperature sensors for embedded systems
The purpose of measurements made with the use of temperature sensors is to obtain information that determines the degree of cooling or heating of the measurement object. One of the most popular sensor designs for temperature measurement is thermistor sensors that can be found in medical thermometers. A change in body temperature causes a change in the value of the current flowing through the thermistor, the resistance of which may also change. The thermistor is made of semiconductor materials that are particularly sensitive to temperature changes. The resistance of the thermistor decreases as the temperature of the measuring object increases. In turn, thermocouple sensors use wires made of an alloy of two pieces of metal to measure the temperature. The design of the thermocouple sensor uses the Seebeck effect in its operating principle. The difference in thermodynamic characteristics of the metals in which the test lead alloy is made produces a strong potential difference proportional to the temperature of the measurement environment. The use of a thermocouple allows for a wide measuring range. The thermocouple sensor reads the thermocouple voltage which is its output signal. In infrared temperature sensors, an infrared light beam is sent towards the measuring object and reflected back to the sensor. The signal from the IR sensor is converted into a voltage proportional to the emissivity of the measuring object and depends on the sensor calibration.
Measurement of environmental humidity
Humidity sensors are one of the most important devices that are used in home appliances, as well as in industry, medical apparatus and environmental engineering. Humidity determines the amount of water present in the atmosphere, which affects, inter alia, on the well-being of living organisms, electronic devices sensitive to the humid atmosphere as well as the operation of electrical insulating systems of transformers and power lines, especially those operating at high and highest voltage. One of the popular designs of humidity sensors is a capacitive sensor that measures relative humidity. They use a capacitor whose dielectric is made of hygroscopic polymer and is sensitive to changes in humidity, which causes changes in the capacitance of the measuring capacitor. Such sensors are used, among others in observing changes in the frequency of electric vibrations of an LC oscillator when testing pharmaceutical products. The medicine in the form of a test preparation acts as a dielectric which is introduced between the measuring electrodes. The frequency of the oscillation of the oscillator changes with the humidity surrounding the test specimen.
Pressure sensors for embedded systems
The Botland store offers a wide range of precise pressure sensors from renowned manufacturers such as Adafruit, DFRobot or Polou. These sensors use high-quality Bosch piezoelectric transducers in their circuits, which enable height measurement with an accuracy of up to 10cm. The I2C and SPI interface enables cooperation with Arduino boards - there are also libraries dedicated to digital barometers. The accuracy of pressure measurement in our sensors is 8Pa. Digital pressure sensors for embedded systems can be successfully used in meteorological station projects and in drones and other models of remote-controlled aircraft.