What is the HC-SR04 Ultrasonic Detector?
The HC-SR04 ultrasonic detector is an advanced ranging sensor widely used in robotics and automation. This sensor emits high-frequency sound waves and measures the time it takes for the echo to return, thus calculating distance accurately.
Key Features
This device provides precise distance measurements ranging from 2 cm to 400 cm. It operates with a voltage supply of 5V, making it compatible with a variety of microcontrollers. The sensor offers reliable performance, whether in electronics projects or sophisticated navigation systems.
Applications of the HC-SR04
The HC-SR04 is ideal for applications such as obstacle avoidance for robots, distance measuring in automated systems, and even in parking assistance systems. Its versatility and accuracy make it a preferred choice for engineers and hobbyists alike.
Technical Characteristics HC-SR04 :
- Sensor Type: Ultrasonic
- Operating Voltage: 5V DC
- Operating Current: <15mA
- Detection Range: 2 cm to 400 cm
- Resolution: 0.3 cm
- Trigger Input Signal: 10 µs TTL pulse
- Echo Output Signal: TTL pulse width proportional to distance
- Beam Angle: 15°
- Maximum Sensing Distance: 400 cm
- Minimum Sensing Distance: 2 cm
- Accuracy: ±1 cm
- Operating Frequency: 40 kHz
- Module Size: 4.5 cm x 2 cm
- Weight: 10 grams
- Applications: Robotics, Distance Measurement, Obstacle Avoidance
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