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Pressure sensors

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Deflection sensor 73x6,3mm - SparkFun SEN-10264

During the bending, sensor increases its resistance. It can be used to detect hand movements, for example, crimping fists. Sensor length is 55 mm.
Index: SPF-01640
Index: SPF-01640
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Regular price €11.40 Price €11.40

HX711 - amplifier for a strainer beam - SparkFun SEN-13879

Operational amplifier is designed to handle strain beams. The system is supplied with the voltage from 2.7 V to 5.0 V, communicates via a two-wire bus: the data line and a...
Index: SPF-04283
Index: SPF-04283
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Force sensor FSR-406 - 2kg square 38mm - Pololu 1645

Force sensor changes its resistance when the force applied to the square tip, increases. The sensor in the form of a rectangle with side of 38 mm.
Index: PLL-01040
Index: PLL-01040
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Regular price €13.23 Price €13.23

Force sensor FSR-402 - 2kg round 18mm - Pololu 1696

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor is round, with about 13 mm diameter.
Index: PLL-00753
Index: PLL-00753
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Regular price €8.35 Price €8.35

Force sensor FSR-400 - 2kg round 5mm - Pololu 1695

The force sensor reduces its resistance when the force put to the round tip, accumulates. The sensor is round with a diameter of 5 mm.
Index: PLL-00752
Index: PLL-00752
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Regular price €7.65 Price €7.65

Piezoelectric membrane with wires - 20mm - SparkFun SEN-10293

The piezoelectric elements are useful for detecting the vibration or knocking. You can use them in a simple way by reading the voltage at the output. It can also be used for...
Index: SPF-11152
Index: SPF-11152
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Regular price €1.62 Price €1.62

The conductive membrane for measuring the pressure of the force - Adafruit 1361

The membrane is made of a conductive material. The pressure, at any point, changes the resistance, which leads to the measurable change of the voltage in a simple way. The...
Index: ADA-05014
Index: ADA-05014
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Regular price €5.79 Price €5.79

Force sensor round 5mm (0.25 '') - short connector - Pololu 2727

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor with the short connector, round, with about 5 mm diameter.
Index: PLL-02349
Index: PLL-02349
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Regular price €7.88 Price €7.88

Force sensor round 15mm - short connector - Pololu 2728

Pressure sensor reduces its resistance when the force put to the round tip, increases. The s ensor with the short connector, round, with about 15mm diameter.
Index: PLL-02348
Index: PLL-02348
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Regular price €8.58 Price €8.58

Tensometric beam NA27 5kg (50N)

Strain-gauge beam operating in the range of up to 5 kg (approx. 50 N). The smallest version is used, for example, in kitchen scales, portable scales. The...
Index: SES-03099
Index: SES-03099
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Regular price €9.28 Price €9.28

Deflection sensor 112x6,3mm - SparkFun SEN-08606

During the bending, sensor increases its resistance. It can be used to detect the movement of your hand. Sensor length: 112 mm.
Index: SPF-02406
Index: SPF-02406
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Regular price €22.79 Price €22.79

Tensometric beam NA27 2kg (20N)

Strain-gauge beam operating in the range of up to 2 kg (20 N approx.). It is applied, for example, for kitchen scales, portable scales. The connecting cable has tips with the...
Index: SES-03533
Index: SES-03533
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Tensometric beam NA1 40kg (400N)

Strain-gauge beam operating in the range of up to 40 kg (400 N approx.). It is applied, for example, for kitchen scales, portable scales. The connecting cable has tips with the...
Index: SES-03098
Index: SES-03098
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Regular price €23.02 Price €23.02

Pressure sensor RA9P - 4kg round 9mm

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor is round with a diameter of 9 mm, the maximum pressure force is 4 kg.
Index: MRV-12151
Index: MRV-12151
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Regular price €6.16 Price €6.16

Load Sensor Combinator (Ver. 1.1) - SparkFun BOB-13878

The module allows you to connect 4 load sensors - strain-gauge beams to one of the bridge via 4-wire cable. It finds application, for example, in the construction of the...
Index: SPF-07277
Index: SPF-07277
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Regular price €1.98 Price €1.98

Tensometric beam NA1 20kg (200N) - 0,5m

Strain-gauge beam operating in the range of up to 20 kg (200 N approx.). It is applied, for example, for kitchen scales, portable scales. The connecting cable has tips with the...
Index: SES-03522
Index: SES-03522
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Regular price €23.02 Price €23.02

Tensometric beam NA27 3kg (30N)

Strain-gauge beam operating in the range of up to 3 kg (30 N approx.). It is applied, for example, for kitchen scales, portable scales. The connecting cable has tips with the...
Index: SES-03543
Index: SES-03543
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Regular price €9.28 Price €9.28

QA6P

The force sensor reduces its resistance when the force, put to the square tip, accumulates. Sensor with the short connector, square, with a width of 6 mm.
Index: MRV-12150
Index: MRV-12150
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Regular price €5.56 Price €5.56

Bridge for FSR 4-channel pressure sensors

The module working with Arduino , it has 4 analog outputs. Board has been adapted to operate with  pressure sensors FSR .
Index: MRV-13089
Index: MRV-13089
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Regular price €1.69 Price €1.69

Force sensor RA18 - 4kg round 18mm

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor is round with a diameter of 15 mm, the maximum pressure force is 4 kg.
Index: MRV-12155
Index: MRV-12155
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Force sensor RA12P - 4kg round 12 mm

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor is round with a diameter of 12 mm, the maximum pressure force is 4 kg.
Index: MRV-12153
Index: MRV-12153
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Regular price €7.42 Price €7.42

Rubber conductive rubber cable for measuring the tensile force - Adafruit 519

Conductive rubber wire with a diameter of 2 mm and a length of 1 meter. It is used to measure the stretching strength. During the stretching of the element, its resistance...
Index: ADA-06549
Index: ADA-06549
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Regular price €13.47 Price €13.47

OpenScale - SparkFun SEN-13261

Module for measuring the weight and temperature. It is used to read data from the strain-gauge sensors. It allows for calibration, setting the sampling frequency and accuracy....
Index: SPF-07276
Index: SPF-07276
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Regular price €34.86 Price €34.86

Bathroom scales Esperanza EBS016W 8in1 - Bluetooth

Scales with the function of measuring the content of fat, water and muscle. It has a four high quality sensor Strain Gauge. Thanks to the integrated Bluetooth module, the...
Index: ESP-12026
Index: ESP-12026
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In this category you will find various types of pressure sensors. As in the case of other categories with specialized products, many types of sensors can be distinguished. It is fact, nonetheless, that pressure sensors are widely used by many entities, including universities, schools, science laboratories, big companies and of course programmable electronics enthusiasts. These devices allow for the creation of various advanced Internet of Things projects.

Pressure sensors are used in the construction of various electronic scales and wherever the mass is a critical value, affecting the proper functioning of the device or object. Our store also offers strain gauge beams, enabling the measurement of the pressure force of objects with a permissible total weight in the range from 1 kg to 40 kg

Different types of pressure sensors

Pressure sensors measure the stress that is acting on them. The stress-sensitive elements used in them are made of metal wire or foil. Typical strain gauges in electronic scales (e.g. home bathroom scales) are characterized by a very simple design. The steel measuring element is susceptible to bending but completely resistant to deformation. In the case of more advanced products, such as those you see in this category, the principle of operation is slightly different. Much depends on the specific type of pressure sensor. There are linear and non-linear pressure sensors. Some devices have the option of an adjustable length of pressure, others do not. In addition, in this category you will also find professional elements of programmable electronics such as OpenScale – bridge for strain gauge beams or hub for strain gauge beams – Load Sensor Combinator! Here you will find everything you and your DIY project need.

Resistance pressure sensor – how does it work?

The resistance pressure sensor (FSR) consists of two layers electrically insulated against each other. When a pressure force is applied to the outer layer in the form of a foil membrane, the insulating sheath presses against the active layer. This last layer is lined with electrically conductive measuring points. The principle of operation of the pressure sensor is relatively simple. The greater the contact force, the lower the contact resistance between the measuring points. What is more, the conductive layer is connected to the power source with auxiliary voltage and the voltage signal represents the applied pressure force. It is worth noting that this type of device can be read by Arduino or Raspberry Pi via an analog-to-digital converter. For this purpose, the algorithms of the program are also used, converted into the value of the weight exerted on the surface of the load cell. Depending on the device and the programming method, the pressure measurement result can be conveniently displayed on the LCD display.

Some important notes on the pressure sensors’ installation processes

The flat FSR sensors are made of a very fine material. Therefore, special care is required during their installation. Before installation, carefully read the attached instructions. At the prototyping stage, the easiest way is to connect such a sensor to the contact plate directly or by means of crocodile clips or ARK connectors with screw terminals. If, however, you want to solder the pressure sensor to the PCB board, remember to carefully check that the soldering tip is 100% clean and that you have properly prepared the surface for soldering. This is very important because even within a few seconds the sensor layers may undercut, which in turn may cause permanent damage to the sensor. If you are a beginner in programmable electronics, check the other product categories in our store - we have a lot of educational courses and beginners kits for you!