Get object/distance detection in your project using the low-cost HC-SR04 Ultrasonic Distance Module from Elegoo. Using the same principle as bats (Echo location), this module uses Trigger and Echo pin to send a signal and listen for it to be ‘bounced back’. With a few lines of code you’ll be detecting objects for your project. This module is the perfect option for detecting objects between 2cm-500cm in front of your project.
- Range – This module can detect objects between 2cm and 500cm in front of itself with an angle of 15 degrees either side.
- Accuracy – The readings of the module can be broken down into 0.3cm increments, which is plenty for most robotics projects
- Mounting – Used by many makers, in many projects, the 4 holes on the circuit board make for easy mounting into your project
- Software – As a favorite distance sensor, there are plenty of libraries and examples available to use with Arduino, Micro:bit, Raspberry Pi and other maker platforms.
- Distance calculation – Once it’s wired up, you’ll use the formula: distance = (traveltime/2) x speed of sound for a measurement in centimeters
TECHNICAL SPECIFICATIONS
- Power Supply :+5V DC
- Quiescent Current : <2mA
- Working Current: 15mA
- Effectual Angle: <15°
- Ranging Distance : 2cm – 400 cm/1″ – 13ft
- Resolution : 0.3 cm
- Measuring Angle: 30 degree
- Trigger Input Pulse width: 10uS
- Dimension: 45mm x 20mm x 15mm
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