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We have ✅ 4 available of the SF-SEN-15569 in our Sydney warehouse. An extra 1955 units will be available shortly.

Express post delivery (2-5 business days)
This is the HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.
There are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project!
This sensor has additional control circuitry that can provide inconsistent "bouncy" data depending on the application.

The Ultrasonic Distance Sensor - HC-SR04 appears in the following collections:

SKU SF-SEN-15569