
Ultrasonic Distance Sensor Module HC-SR04
The HC-SR04 Ultrasonic Distance Sensor is a popular and affordable sensor module widely used in robotics, automation, and various electronic projects. It utilizes ultrasonic waves ...
Detailed Description & Connections
The HC-SR04 ultrasonic distance sensor offers an affordable solution for accurate non-contact distance measurement. With a range from 2cm to 400cm and an impressive accuracy of ±3mm, this sensor is perfect for a wide range of applications, from robotics to automation projects.
Key Features:
- High Accuracy: Delivers precise distance measurements with accuracy up to ±3mm, ideal for applications requiring exact distance data.
- Wide Detection Range: Measures distances from 2cm to 400cm, suitable for both short and long-range measurements.
- Non-Contact Measurement: Uses ultrasonic waves for non-destructive, reliable distance measurement without physical contact.
- User-Friendly: Easy to integrate with microcontrollers like Arduino, Raspberry Pi, and other development boards with just four pins—VCC, Trig, Echo, and GND.
- Compact and Lightweight: Measures 45mm x 20mm x 15mm and weighs around 9 grams, allowing for easy integration into various projects without adding bulk.
- Low Power Consumption: Operates efficiently at 5V DC and consumes less than 15mA, making it suitable for battery-powered applications.
- Versatile Applications: Perfect for use in robotics, obstacle detection, automatic door openers, distance measuring instruments, and parking assistance systems.
The HC-SR04 ultrasonic distance sensor is a versatile and cost-effective solution for enhancing your electronic projects. Its high accuracy, broad detection range, and easy integration make it an excellent choice for both hobbyists and professionals.
Component Gallery & Wiring Diagrams
5 Diagrams AvailableTechnical Specifications
Operating Voltage: 5V DC
Operating Current: <15mA
Operating Frequency: 40kHz
Detection Range: 2cm to 400cm
Accuracy: ±3mm
Trigger Input Signal: 10μs TTL pulse
Echo Output Signal: Output pulse proportional to distance
Dimensions: 45mm x 20mm x 15mm (L x W x H)
Weight: ~9 grams
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