HCSR04 - Ultrasonic Proximity Sensor
$4.95 AUD
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HCSR04 - Ultrasonic Proximity Sensor
$4.95 AUD
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Use this proximity sensor to measure distance - it works by sending out an ultrasonic signal and listening for a response!
This is a 5v sensor, so will need a suitable external power supply if using this with a micro:bit (there's an example in MakeCode here).
The datasheet is available here.