- The HC-SR04 Ultrasonic Sensor is a highly accurate and cost-effective distance measuring module used in robotics and automation projects. It uses ultrasonic sound waves to measure distance by calculating the time taken for the echo to return.
- This sensor is perfect for obstacle detection, distance measurement, and smart automation systems. It is widely used with Arduino, Raspberry Pi, and other microcontrollers, making it ideal for students, hobbyists, and engineers.
- With its simple interface and reliable performance, the HC-SR04 is one of the most popular sensors for real-time distance sensing applications.
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Description
Specifications
| Specification | Details |
|---|---|
| Operating Voltage | 5V DC |
| Operating Current | 15mA |
| Measuring Range | 2 cm – 400 cm |
| Accuracy | ±3 mm |
| Frequency | 40 kHz |
| Trigger Input Signal | 10µs pulse |
| Echo Output Signal | TTL pulse |
| Interface Pins | VCC, Trig, Echo, GND |
Features
- High accuracy distance measurement
- Stable and reliable performance
- Easy interface with microcontrollers
- Low power consumption
- Compact and lightweight design
Applications
- Obstacle avoiding robots
- Distance measurement systems
- Water level monitoring
- Smart parking systems
- Home automation projects
Why choose?
- Most popular ultrasonic sensor for beginners
- Easy to use with Arduino and Raspberry Pi
- Affordable and widely available
- Reliable for real-time applications
- Perfect for educational and DIY projects
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