Vacuum (negative pressure) sensor required

[Markie72]

Hi all
This is my very first post and initially I wanted to ask if there is a vacuum sensor (negative pressure) sensor available for the esp32 ?
There are many more questions but I’ll take it one step at a time.

Many thanks for now
Mark

[MicroController]

You want to search for a "differential pressure sensor", see e.g. https://www.instructables.com/How-to-Re ... -Sensor-W/