I am looking for a budget waterproof ultrasonic sensor to use a in a project of mine, without much luck.
I think i will try the JSN-SR04T next but i heard mixed feedback.
I was thinking about using my HC-SR04 and replace the transducers it comes with, for some similar waterproof ones that I bought (same 40kHz), however for some reason, it doesn't work with the transducers I bought, but works fine with its own.
Wouldn't it matter what transducers are on board, if they have the same specs / frequency?
Anyone have ever tried this?
Would appreciate if others would share their knowledge in this matter.
I mean that it needs to be outdoor in a container and may get condensation and perhaps even rain drops on the transducers. I wondered about how to get waterproof transducers to work with such (or similar) sensors..
The board does not worry me, since it is going to be:
In a custom made enclosure
I use conformal coating on all my electronics
What worries me are the transducers, since you cannot conformal coat the transducers inside or the sound won't propagate, and i believe the standard transducers are definitely not waterproof.
exactly why I ask if you have actually experienced the sensor to get damaged with the transducers exposed. I think it will be just fine. My setup is similar, except it is exposed to saltwater. I figure I bought a few of those and replace them as they stop working, but so far, the one I installed there has been working for over a year, maybe even more than 2.