Hi,
I would like to extend the water sensor.
I want to solder some copper wires and extend the lines. Is that ok ? Please advice.
Goal : to be able to use in a water bucket than a mug.
Sounds like a painful undertaking, but should work.
Could you instead insulate and waterproof the module and connecting cable so it was submersible?
a7
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But sensor is only about 2 inches, and so will be full by 20% of the bucket
not sure if i have to use copper only or any normal wire
Please post a link to the sensor.
I thought it just detected water / no water, sry.
a7
2 Likes
Use stainless steel to avoid corrosion.
sorry a daft question, but can I solder to extend (using steel)
You might be better off using a different type of level sensor.
If you extend the existing one, you would first need to cut certain traces but overall possibly apply higher voltage and then feed that back to a voltage divider for the Arduino.
All very untidy and no guarantee it will work the way you expect as calibration would be required for one type of water.
Use different mineral content water, level calibration gone to putty.
If you don't need a constant readout of the exact level per se, you could go to multiple probes and activate when you want to read, thus avoiding unnecessary corrosion of the probes.
https://www.engineersgarage.com/arduino-water-quantity-monitoring-in-a-tank/
If you want to measure the waterlevel in a bucket I've seen an example where someone used the distance sensor mounted facing downwards on the edge of the bucket:
The advantage is not having electronics submerged.
@bluejets nice article.
I note the depiction of a water sensor that looks very similar to the OP's but is 10x the size! With giant surface mount components. 
Later they say that sensor is actually small and not appropriate for the kinda tanks they are talking about.
a7
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