So I bought a Honeywell pressure gauge pressure transducer, with the following datasheet:
The thing is that I want to measure pressure in a small pressure tank, but first I tried to read some voltage out of the sensor and It printet 4.66V? The pressure sensor was not connected to anything, only the Arduino.
My code was:
int sensorValue = analogRead(A0);
float voltage = sensorValue * (5.0 / 1023.0);
I thought it would print out 0V when no pressure was applied to the sensor?