Description
HC-SR04 Ultrasonic Sensor
The HC-SR04 Ultrasonic Sensor Module is a popular tool for measuring distance and detecting objects. Its small, easy to use, and combines everything you needa transmitter, receiver, and control circuitin one module. It works like a sonar, sending out sound waves to measure the distance to objects, just like how bats and dolphins sense their surroundings.
This HC-SR04-Ultrasonic Range Finder can measure distances from 2 cm up to 400 cm with high accuracy, about 3 mm. Its reliable for many projects, from robotics to simple object detection, and works well even in different lighting conditions.
This HC SR04 ultrasonic distance sensor module has two main pins, Trigger and Echo, which connect easily to microcontrollers like Arduino, making it perfect for projects where you need non-contact distance sensing.
Note: The HC-SR04 sensor has a 5V output (which needs to be reduced to 3.3V to work with the Raspberry Pi).
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Features:
- Non-Contact Distance Sensor
- Measures 2cm to 400cm
- Sonar technology for accuracy
- Suitable for robotics and DIY projects
- Stable performance indoors and outdoors
- Durable materials
- Easy to install, user-friendly
- 5V DC power supply
- High resolution: 0.3 cm
- Best ultrasonic sensor for Arduino and Raspberry Pi projects
Applications:
- Used to avoid and detect obstacles with robots like biped robots, obstacle avoider robots, path-finding robots, etc.
- Used to measure the distance within a wide range of 2cm to 400cm
- Can be used to map the objects surrounding the sensor by rotating it
- The depth of certain places like wells, pits, etc. can be measured since the waves can penetrate through the water
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Pinout
Package Includes:
- 1 x HC-SR04 Ultrasonic Distance Sensor Module
Specifications:
| Power Supply | +5V DC |
| Working Current | 15mA |
| Output Signal | Electrical frequency signal |
| Ranging Distance | 2cms 400 cms |
| Resolution | 0.3 cm |
| Measuring Angle | 30 degree |
| Dimensions | 3 x 2 x 1cms |
| Weight | 15 grams |
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