Core Electronics Forum

Weatherproof Ultrasonic Sensor with Separate Probe (SEN0208)

This is a placeholder topic for “Weatherproof Ultrasonic Sensor with Separate Probe” comments.



Most ultrasonic distance sensors aren’t waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc. What will you make?


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Hi. Can I paint the probe? Will it still work?

Hi Iman,

I suspect that this would not work if painted. I wouldn’t recommend it.

Thanks Stephen.

Hi. You show me SR04T version one, I order, and then send me SR04Tv2.0??

Hi Iman,

Yes, DFRobot is now producing v2.0 of this board, but it is just a PCB revision and should not change the behaviour of the device.

Hi. What are the dimensions of the probe itself? I’m not referring to the board nor the cable that connects the probe to the board. Also, is this cable flex cable? Please advise. Thank you.

Hey @Marx102747,

The probe is approximately 25mm in diameter and 18mm tall.

The cable is not flex cable.