I’m interested in building up an ESPHome device which can monitor two water pressure sensors. I have both sensors and an ADS1115 on the way. The water pressure sensors are just like these from amazon. I’ve been doing research on how to wire the thing up and I’ve seen people say don’t supply 5V to the ADS1115 but I don’t fully understand why.
This is obviously without the ADS1115 (I haven’t received it in the mail yet):
The pressure sensor is 5V so it’s output will range from 0.5V to 4.5V, I’m not sure I want to voltage divide it down because it seems that might cause me to lose some resolution. Is that the best way to do it? I was thinking I could just supply 5V to the ADS1115 and then use the whole 0.5V-4.5V range of the sensor. I’m having a very hard time finding any examples of this kind of thing done with ESPHome…
I’m open to any help.