March 15, 2011
about 4 years ago
Got this working with my arduino without much fuss using the ‘voltage divider’ circuit in the datasheet. I used 2 1k resistors in series(didn’t have a 2k on hand) And connected it to A0. I used the AnalogReadSerial example to test it out
It reads something like 160 when the water is at the bottom of the sensor, and goes up to about 30 when it is close to the top.
Mine also came in a box that was too small for it and was bent when i received it. After laying it flat on a table with some weight on it for about a week it flattened out. It doesn’t seem to have been damaged by it, but would be nice to be shipped in a rigid tube as suggested.
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