βοΈ Specifications:
- Model: HC-SR04 Ultrasonic Sensor
- Operating Voltage: 5V DC
- Operating Current: 15 mA (typical)
- Measuring Range: 2 cm β 400 cm
- Best Accuracy Range: 2 cm β 100 cm
- Measurement Angle: β€15Β°
- Resolution: ~3 mm
- Trigger Input Signal: 10 Β΅s TTL pulse
- Echo Output Signal: TTL pulse (width proportional to distance)
- Ultrasonic Frequency: 40 kHz
- Interface Pins: VCC, TRIG, ECHO, GND
- Dimensions: Approx. 45mm Γ 20mm Γ 15mm
- Compatibility: Arduino, ESP32, ESP8266, Raspberry Pi, STM32, etc.
π Key Features:
- π Accurate distance measurement from 2 cm to 400 cm
- βοΈ Simple 4-pin interface for easy integration
- π‘ High precision with stable and reliable readings
- π Uses ultrasonic waves for non-contact measurement
- π Low power consumption and fast response time
- π€ Ideal for obstacle avoidance and autonomous robotics
- π» Fully compatible with Arduino, ESP32, and Raspberry Pi
π‘ Applications:
- β Obstacle avoidance robots and autonomous vehicles
- β Smart parking and distance monitoring systems
- β Home automation and security systems
- β Level measurement and proximity detection
- β IoT and embedded systems projects
- β Educational and DIY electronics experiments
π¦ Package Includes:
- 1 Γ HC-SR04 Ultrasonic Distance Sensor Module
