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Ultrasonic Distance Sensor Module HC-SR04
High-accuracy HC-SR04 ultrasonic distance sensor for measuring distance using Arduino, ESP, and robotics projects.
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Description
The HC-SR04 Ultrasonic Distance Sensor Module is a popular and reliable sensor used to measure distance by emitting ultrasonic sound waves and calculating the time taken for the echo to return. It provides accurate distance measurement without physical contact.
This module is widely used in Arduino projects, obstacle avoidance robots, automation systems, water-level monitoring, and IoT applications. It features separate trigger and echo pins, making it easy to interface with most microcontrollers.
| Parameter | Value |
|---|---|
| Module Type | Ultrasonic Distance Sensor |
| Model | HC-SR04 |
| Operating Voltage | 5V DC |
| Operating Current | ~15 mA |
| Measuring Range | 2 cm – 400 cm |
| Measuring Angle | ~15° |
| Accuracy | ±3 mm |
| Interface | Digital (Trigger & Echo) |
| Frequency | 40 kHz |
Additional information
| Weight | 9 g |
|---|---|
| Dimensions | 45 × 20 × 15 mm |
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