📏 The HC-SR04 is a popular ultrasonic sensor used for accurate distance measurement by sending and receiving ultrasonic waves. It calculates the time delay between the emitted signal and its echo to determine the distance. Ideal for robotics, obstacle avoidance systems, and automated measurement applications.
- ✅ Specifications:
- Operating Voltage: 5V DC
- Current Consumption: <15mA
- Interface: Digital (Trigger / Echo)
- Measuring Range: 2 cm to 400 cm
- Accuracy: ±3 mm
- Detection Angle: ~15°
- Trigger Pulse Duration: 10 µs
- Frequency: 40kHz
- Pins: 4 (VCC, Trig, Echo, GND)
🔹 Key Features:
✔️ High-precision distance measurement
✔️ Fast and stable response
✔️ Easy to use with Arduino, ESP32, Raspberry Pi
✔️ Not affected by lighting or color conditions
✔️ Suitable for interactive and security projects
📌 Common Applications:
- Obstacle avoidance in robotics
- Fluid or object level measurement
- Proximity alert systems
- Environment-aware interactive systems
- Smart parking sensors
🔸 Product Weight:
Product Weight: 10g
