I need your help to choose a low-budget pressure sensor for my project here https://forum.arduino.cc/t/re-using-arduino-to-controll-2-pwm-controlled-electromagnets/986660?u=bogdan3105 , the only "must" its that it have to read between 0-60 psi. From my research i found 2 that i linked below, 1 with analog output, 1 with SPI output , i don't know the difference between those 2, this is my first arduino/electronics project. Ty for helping me
ABPDANV150PGAA5 HONEYWELL - Senzor: de presiune | 0÷150psi; de referinţă; OUT: analogici; DIP | TME - Componente electronice
ABPDANV150PGSA3 HONEYWELL - Senzor: de presiune | 0÷150psi; de referinţă; OUT: SPI; DIP; ABP | TME - Componente electronice
It is much simpler to read an analog output, and requires fewer connections.
The two links point to the same data sheet, so they appear to be the same sensor, but with different modes of readout. The readout is likely specified when you order the sensor.
The datasheet will tell you how to decrypt the model number.
Analogue sensors depend on the resolution of the Arduino A/D and how YOU calibrate it.
The SPI version has it's own built-in A/D, and likely doesn't require user calibration.
Note that the sensors you linked to have different logic voltages.
One is for a 3.3volt Arduino and the other for a 5volt Arduino.
Leo..
Note that some transducers will only work with dry gases , that may be relevant .
Also try and get something with a lower range to get a more accurate result
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