Description
The HC-SR04 Ultrasonic Distance Sensor Module offers a simple and reliable way to measure distances with high precision, ideal for obstacle detection, robotics, automation, and range finding projects.
With a detection range of 2cm to 450cm and accuracy up to 0.3cm, it’s widely compatible with Arduino, Raspberry Pi, PIC, ARM, and other microcontrollers.
- Working Voltage: 5V DC
- Static Current: < 2mA
- Output Signal: High = 5V (obstacle), Low = 0V (no obstacle)
- Trigger Input: 10µs TTL impulse
- Echo Output: TTL PWM signal
- Sensor Angle: ≤ 15°
- Detection Range: 2cm – 450cm
- Resolution: ±0.3cm
- Size: 44mm x 20mm x 15mm
What’s Included:
- 1 x HC-SR04 Ultrasonic Distance Sensor Module
Great For:
- Obstacle detection in robotics
- Distance and object measurement projects
- Security and motion sensing systems
- DIY smart vehicles and automation
- STEM education and prototyping
Usage Tips:
- Connect to microcontroller GPIO pins for trigger and echo
- Use a 10μs HIGH pulse to trigger measurement
- Measure pulse duration of echo pin to calculate distance
- Mount in a stable, vibration-free environment for best results
