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Distance sensors

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Ultrasonic distance sensor HC-SR04 2-200cm

Ultrasonic sensor operating in the range from 2 cm to 200 cm. It is powered with voltage of 5 V. The output is a signal whose duration is proportional to the measured distance.
Index: MOD-01420
Index: MOD-01420
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Regular price €1.84 Price €1.84

Adjustable digital distance sensor E18-D80NK 5-80cm

Adjustable, digital distance sensor with a cable length of 50 cm and nuts to facilitate mounting. Measuring range from 5 to 80 cm, is configured using a knob. Voltage supply...
Index: MOD-02575
Index: MOD-02575
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Regular price €5.33 Price €5.33

Ultrasonic distance sensor US-015 2-400cm

Ultrasonic sensor operating in the range from 2 cm to 400 cm. Powered by 5 V. The output is a signal whose duration is proportional to the measured distance.
Index: MOD-02743
Index: MOD-02743
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Regular price €2.53 Price €2.53

Mounting bracket for distance sensor HC-SR04

Bracket for installation of the distance sensor HC-SR04. It is made of transparent acrylic with a thickness of 2.6 mm, it has two mounting holes with a diameter of 3.5 mm.
Index: MOD-04822
Index: MOD-04822
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Regular price €0.81 Price €0.81

VL53L0X time-of-flight - distance and ambient light sensor I2C, 200cm max - Pololu 2490

Digital sensor connecting proximity measurement with the time-of-flight method and the ability to measure the intensity of ambient light. Works in range up to 200 cm with 1 mm...
Index: PLL-07176
Index: PLL-07176
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Regular price €9.65 Price €9.65

Sharp GP2Y0A21YK0F - analog distance sensor 10-80cm

Analog distance sensor Sharp GP2Y0A21YK0F (distance meter) detecting the objects within the range from 10 to 80 cm.
Index: SES-00029
Index: SES-00029
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Regular price €8.35 Price €8.35

Sharp GP2D120XJ00F - analog distance sensor 4-30cm

Analog distance sensor (rangefinder) Sharp GP2Y0A41SK0F to detect objects in the range from 4 to 30 cm.
Index: SES-00023
Index: SES-00023
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Regular price €7.88 Price €7.88

Sharp GP2Y0D810Z0F - digital distance sensor 10cm - Pololu 1135

Digital distance sensor Sharp GP2Y0D805Z0F to detect objects at a distance of up to 10 cm.
Index: PLL-00011
Index: PLL-00011
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Regular price €8.12 Price €8.12

Receiver and IR transmitter LiteOn 940nm (pair) - SparkFun SEN-00241

The IR transmitter, sending the wave with the length of 940 nm together with the receiver in the form of NPN phototransistor, they can be used as a simple, reflective distance...
Index: SPF-01977
Index: SPF-01977
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Regular price €1.22 Price €1.22

Ultrasonic distance sensor HC-SR04 2-200cm + mounting bracket

Ultrasonic sensor operating in the range from 2 cm to 200 cm with special bracket for mounting. It is powered with the voltage of 5 V. The output is a signal whose duration is...
Index: MOD-05686
Index: MOD-05686
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Regular price €3.00 Price €3.00

Distance sensor, reflective 3,3V/5V - 30mm - Waveshare 9523

The reflective module with IR sensor equipped with digital and analog output. It works with a voltage from 3 V to 5.3 V. It enbales the detection of obstacles in the range from...
Index: WSR-04459
Index: WSR-04459
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Regular price €3.60 Price €3.60

Proximity sensor HSDL-9100-021 60mm

Miniature proximity sensor from Avago Technologies to detect objects at a distance from 0 to 60 mm.
Index: SES-01401
Index: SES-01401
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Regular price €1.85 Price €1.85

Stand for the Sharp digital sensor - Pololu 1133

PCB stand facilitating the connection of digital distance Sharp sensor with the main module of the project.
Index: PLL-00034
Index: PLL-00034
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Regular price €1.85 Price €1.85

Mounting bracket for distance sensor HC-SR04 - blue

Bracket for installation the distance sensor HC-SR04. It is made of blue acrylic with 3 mm of thickness, it has three holes for mounting.
Index: MOD-09416
Index: MOD-09416
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Regular price €0.69 Price €0.69

Distance sensor carrier with voltage regulator VL53L1X - 400cm - Pololu 3415

Digital sensor, connecting the proximity measurement via method of time-of-flight, and the ability to measure the intensity of ambient light. Working range is up to 400 cm...
Index: PLL-11842
Index: PLL-11842
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Regular price €11.14 Price €11.14

Sharp GP2Y0A02YK0F - Analog distance sensor 20-150 cm - Pololu 1137

Analog distance sensor (rangefinder) Sharp GP2Y0A02YK0F to detect objects in the range from 20 to 150 cm.
Index: PLL-00073
Index: PLL-00073
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Regular price €16.05 Price €16.05

Sharp GP2Y0A60SZLF - analog distance sensor 10-150cm 5V - Pololu 2474

Analog distance sensor (rangefinder) Sharp GP2Y0A41SK0F with PCB Pololu stand. It detects objects in the range from 10 to 150 cm.
Index: PLL-02707
Index: PLL-02707
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Regular price €16.26 Price €16.26

Sharp GP2Y0D810Z0F - digital distance sensor 10cm with PCB base - Pololu 1134

Digital distance sensor Sharp GP2Y0D805Z0F to detect objects at a distance of up to 10 cm. The system has soldered PCB stand, making it easier to use it.
Index: PLL-01623
Index: PLL-01623
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Regular price €10.67 Price €10.67

Ultrasonic distance sensor URM37 v4 5-500cm with temperature correction

Ultrasonic sensor from DFRobot operating in the range from 5 cm to 500 cm. It is powered with the voltage from 3.3 V to 5 V. Communication is via serial interface UART (RX, TX)...
Index: DFR-03413
Index: DFR-03413
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Regular price €15.79 Price €15.79

Sharp GP2Y0A51SK0F - analog distance sensor 2-15cm - Pololu 2450

Analog distance sensor (rangefinder) Sharp GP2Y0A41SK0F to detect objects in the range of 2 to 15 cm.
Index: PLL-03064
Index: PLL-03064
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Regular price €13.93 Price €13.93

38 kHz IR Proximity Sensor, Fixed Gain, High Brightness - Pololu 2578

Proximity sensor, operating in the infrared range. It has a permanent amplification. This version of high brightness, consumes around 16 mA when powered at 5 V. The sensor...
Index: PLL-07622
Index: PLL-07622
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Regular price €5.47 Price €5.47

Laser distance sensor Lidar TFMini Plus UART / I2C - 12m

Precise, laser distance sensor operating in the range from 0.1 to 12 m with an accuracy of 0,05 m. The supply voltage is 5 V. The device communicates using the UART and...
Index: BEN-13634
Index: BEN-13634
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Regular price €48.14 Price €48.14

Sharp GP2Y0D805Z0F - digital distance sensor 5cm with PCB base - Pololu 1132

Digital distance sensor Sharp GP2Y0D805Z0F to detect objects at a distance of up to 5 cm. The system has soldered PCB stand, making it easier to use it.
Index: PLL-01622
Index: PLL-01622
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Regular price €10.35 Price €10.35

Mounting bracket for distance sensor HC-SR04 - red

Bracket for installation the distance sensor HC-SR04. It is made of red acrylic with 3 mm of thickness, it has three holes for mounting.
Index: MOD-09712
Index: MOD-09712
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Regular price €0.91 Price €0.91

Distance sensors – precise distance measurements for every application

During construction or renovation, it is very important to properly measure the distances. The distance measurement must be as precise as possible. Otherwise, we may expose ourselves to constructive imperfections that may even threaten the future helplessness of those living in the building.

Distance sensors - that may also be known as a distance meters, but sometimes with more or less specialist features - are used in many areas of life. In robotics, electronics and production automation, they are almost universal. Automatic focusing systems, distance measurement by robots (e.g. intelligent, self-moving household vacuum cleaners), drones and flying machines are just some of the more interesting examples. However, the list of systems that must use distance sensors is constantly growing with new applications and devices.

There are various types of laser meters available on the market. We know, however, that every real electronics engineer and DIY enthusiast can make such a meter on their own. For this, however, it needs a basic structure consisting of a module for precise distance measurement. You will find such electronics in this category that can be applied as Arduino laser distance sensors, Raspberry Pi sensors or just versatile meters for your projects.

How do distance meters and sensors work?

Distance sensors, contrary to appearances, are not complicated devices. The core of each such sensor is an emitter which emits an ultrasonic wave at a given frequency. When this wave meets an obstacle, it returns to the source (sensor) and is received. The way it returns and the time are important data that are analyzed and processed, so you can determine exactly what the distance from the sensor to the point where the wave meets resistance. So the time of return of such a wave is the most crucial in this case. Precise distance sensors, e.g. devices used in robotics such as Arduino laser distance sensors (you can buy it here too), must be properly programmed to separate the real measurement from possible random disturbances. The wave sent from the device may reflect on various surfaces and interfere with the reading. If the signal returns to the sensor in less than the specified time, it means that the measured object is within its range. If the wave return time is longer, then

the wave was probably reflected from a wall or machine housing. It is worth adding that there are different types of distance sensors, and the above description of the operation of such sensors applies only to sensors that send waves (ultrasonic waves; laser waves) in order to measure a given distance.

Main advantages of ultrasonic and laser sensors

Certainly, ultrasonic technology has its drawbacks – the susceptibility to interference always should be highly considered. Nevertheless, distance sensors using ultrasonic waves have a lot of advantages. First of all, they are devices with high resistance to dirt, and some products are even capable of self-cleaning, which is very important when measuring in field conditions. What's more, distance sensors can work in almost any circumstance. They are not susceptible to most adverse weather conditions. These devices will also have no problems detecting transparent materials such as optical sensors. Coarse dust and dense dust are no challenge for distance sensors using modern ultrasonic technology.

Sometimes, however, some applications require different measurement tools. The most popular alternative is laser sensors. If you know a popular cleaning robot, you probably know what's going on. The transmitted laser beam allows you to determine the distance to any other objects, obstacles, etc. You can also find these types of sensors in our store. Equip yourself with them and start building your own robot now. All distance sensors available in our store are of the highest quality and are available at very attractive prices!