Description

Also known as ultrasonic sensor module.

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. It comes complete with ultrasonic transmitter and receiver modules.

Features

• Operating voltage : 3 – 5V
• Quiescent current : <2mA
• Operating current : 15mA
• Effective angle : <15?
• Ranging distance : 2cm ? 400 cm (1 ? 13ft)
• Resolution : 0.3 cm
• Measuring Angle : 30?
• Trigger Input Pulse width : 10uS
• Dimension : 45 x 20 x 15 mm

Wiring

Attachments

• Tutorial with code : Ultrasonic Sensor HC-SR04 and Arduino Tutorial – HowToMechatronics