HC-SR04 - ultrasonic distance sensor up to 5 meters
ID: 197762
5906623440283
zł5.29
Tax included
zł4.30 tax excl.
The HC-SR04 ultrasonic sensor module is commonly used in conjunction with Arduino to precisely measure distances ranging from 2 cm to 500 cm, with a resolution of 3 mm. It is a good choice for projects in the field of robotics, automation and security systems. It works on the principle of emission and reception of ultrasonic waves. It works with microcontroller platforms such as Arduino, Raspberry Pi, ESP32 or STM32. modHC-SR04
Description
The HC-SR04 ultrasonic sensor module is a popular solution for measuring distances, used in projects based on Arduino, Raspberry Pi, STM32 or ESP32 in fields such as robotics, automation or security systems. It enables precise measurement of distances in the range of 2 cm to 500 cm with a resolution of 3 mm, making it an ideal choice for detecting obstacles, measuring distances or creating collision avoidance systems.
How does the ultrasonic distance sensor work?
The HC-SR04 module works by emitting ultrasonic waves at a frequency of 40 kHz by the built-in transmitter. These waves propagate in the air and reflect off the obstacle they encounter. The receiver, located next to the transmitter, records the return of the reflected signal. The distance is calculated based on the time between sending and receiving the signal. This value depends on the speed of sound in air (approx. 343 m/s) and the time it takes to travel from the sensor to the obstacle and back.
How to connect the HC-SR04 sensor?
The HC-SR04 module has four pins: VCC, Trigger, Echo and GND.
- VCC should be connected to the 5 V power supply.
- GND to the system ground.
- The trigger is connected to the digital output of the microcontroller, which is responsible for sending the initiating pulse.
- The echo is connected to the digital input, which records the signal return time.
The measurement process begins with the microcontroller sending a short pulse to the Trigger pin. The sensor generates an ultrasonic signal that is reflected from the obstacle, and the result is returned as a signal to the Echo pin. The microcontroller converts the time from emission to reception of the signal into the distance from the obstacle.
Applications of the HC-SR04 ultrasonic distance sensor
The HC-SR04 sensor is widely used in various engineering and hobby projects. It is most often used in:
Mobile robotics - for detecting and avoiding obstacles, as well as navigation of autonomous vehicles.
Automation systems – in monitoring distances, e.g. in automatic door opening systems
Security systems – as a motion detection sensor, for monitoring space or creating alarms.
DIY projects – in various home electronics projects, such as smart devices, measuring systems or educational projects.
Features
- Measurement range: 2 cm – 500 cm
- Resolution: 3 mm
- Detection angle: 15°
- Power supply: 5 V
- Interface: 4 pins (VCC, Trigger, Echo, GND)
- Ultrasonic frequency: 40 kHz
- Current consumption: < 2 mA
- Compatibility: Arduino, Raspberry Pi, other microcontroller platforms
197762
Data sheet
- Interface
- Sygnał cyfrowy
- Type of sensor
- Ultrasonic
- Minimum distance
- 2 cm
- Maximum distance
- 500 cm
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
You might also like
Acrylic handle allowing stable placement of the modSR-HC04 sensor module parallel to the ground. modHC-SR04-MB
zł5.22
Delivery date unknown
No product available!
Ultrasonic distance sensor RCW-0001 with a measuring range from 1 to 450 cm and a resolution of 1 mm. It is compatible with the popular HC-SR04 sensor. RCW-0001
zł10.50
Delivery date unknown
No product available!
Acrylic mounting bracket for the HC-SR04 ultrasonic sensor
zł1.72
24h
Available quantity: 20
Available
Distance measurement tester designed for HC-SR04 ultrasonic sensor. It is equipped with a 3-digit 7-segment LED display showing the current measurement and a measurement processing system with UART output
zł17.70
24h
Available quantity: 5
Available
Other products in the same category (16)
Laser distance sensor with a measuring range of up to 4 m, based on the ToF measurement technique. Communication with the module takes place via the I2C interface. Waveshare VL53L1X Distance Sensor
zł59.83
24h
Available quantity: 3
Available
Expansion board with ToF VL53L4CX distance sensor with a range of up to 6 m. The shield is compatible with STM32 Nucleo boards. STMicroelectronics X-NUCLEO-53L4A2
zł208.61
24h
Available quantity: 2
Available
Expansion board with a distance sensor ToF VL53L5CX with a matrix of 64 pixels and a range of up to 4 m. The shield is compatible with STM32 Nucleo boards. STMicroelectronics X-NUCLEO-53L5A1
zł188.17
24h
Available quantity: 1
Available
Module with an obstacle sensor operating in the infrared band. Equipped with an XH2.54 connector, it has a digital output informing about the detection of an obstacle
zł14.39
24h
Available quantity: 6
Available
Laser distance sensor with a measurement range of 0.1 m to 12 m dedicated to indoor use. It communicates via UART or I2C interface. Benewake TFmini Plus Indoor
zł239.00
4 weeks
No product available!
Ultrasonic distance sensor with a range of 30 to 500 cm. Powered from 5 to 12 V, it communicates via RS485 interface. DFRobot SEN0519
zł610.33
24h
Available quantity: 1
Available
LiDAR laser distance sensor that can scan the environment in two or three dimensions. Offers a range of up to 8 m for 2D measurements and 2 m for 3D measurements. It communicates via the UART interface and can be connected to a computer thanks to the supplied USB adapter. SparkFun SEN-18580
zł1,299.00
3 weeks
No product available!
Ultrasonic distance sensor with a measurement range of 50 cm to 1650 cm. It offers a resolution of 1 cm and has three outputs, including a voltage analogue output, an RS232 serial interface and a variable-width pulse output. SparkFun SEN-16463
zł657.63
3 weeks
No product available!
Laser distance sensor with a measurement range of 0.3 m to 2 m. It communicates via the UART interface. Benewake TF-LC02
zł49.90
4 weeks
No product available!
LiDAR sensor using distance measurement technology based on the principle of triangulation. It offers a measurement range from 25 to 300 mm and a measurement frequency of 28 Hz, thanks to which it ensures fast and effective data acquisition in various environmental conditions. DFRobot DFR1030
zł197.07
24h
Available quantity: 2
Available
IR proximity sensor used to detect objects at a distance of 10mm to 80mm using infrared radiation. It is powered by 5 V and has a digital output. DFRobot SEN0556
zł17.48
24h
Available quantity: 3
Available
Ultrasonic ToF sensor dedicated to the identification of materials at a distance of 2 to 10 cm. It can distinguish between hard and soft materials and transmits information via digital IO (high/low) or UART interface. DFRobot SEN0560
zł73.90
24h
Available quantity: 2
Available
LiDAR CS20 3D TOF equipped with a ToF image sensor with a resolution of 640 x 480 pixels. It uses ToF technology to record three-dimensional information about objects and space. It can accurately measure distances up to 5 m. DFRobot SEN0579
zł982.55
4 weeks
No product available!
Module with ToF sensor VL53L7CX with an output in the form of a matrix of 64 pixels (8x8) and a range of up to 3.5 m. It communicates via the I2C interface. Pololu 3418
zł102.24
4 weeks
No product available!
The 3D TOF camera is a module that consists of the BL702 system and the Juyou 100x100 TOF sensor. It is a 3D sensor that allows you to measure distances up to 1.5 meters. It is equipped with a 1.14-inch LCD screen that allows real-time viewing of depth maps along with color maps. DFRobot SEN0581
zł184.49
24h
Available quantity: 1
Available
An ultrasonic sensor whose operation is based on the time-of-flight (ToF) principle. In addition to distance information, the sensor also generates an echo energy intensity value useful for distinguishing between different materials or surfaces. Seeed Studio 101021097
zł109.48
24h
Available quantity: 2
Available
The HC-SR04 ultrasonic sensor module is commonly used in conjunction with Arduino to precisely measure distances ranging from 2 cm to 500 cm, with a resolution of 3 mm. It is a good choice for projects in the field of robotics, automation and security systems. It works on the principle of emission and reception of ultrasonic waves. It works with microcontroller platforms such as Arduino, Raspberry Pi, ESP32 or STM32. modHC-SR04