Ultrasonic Distance Sensor HC-SR-04

Ultrasonic Distance Sensor HC-SR-04
The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. From 2cm to 300 cm or 1” to 10 feet. It operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect). It comes complete with ultrasonic transmitter and receiver module.
Power supply :5V DC, Quiescent current : <2mA, Effective angle: <15°, Ranging distance : 2cm -300 cm, Resolution : 0.3 cm, Compatible with Arduino, Raspberry Pi etc. Dedicated holder for this sensor is available. Click Here for the product page and more details.

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Ultrasonic Distance Sensor HC-SR-04
The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. From 2cm to 400 cm or 1” to 13 feet. It operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect). It comes complete with ultrasonic transmitter and receiver module.