one diy test unit I want to build is a g-force accelerometer tested for elevators. Prefer a Bluetooth enabled box you put inside an elevator that when it is sent up it will record the travel speed, acceleration, start and stoppong force. It bit I had issues figuring out was vertical speed.
Anyway. I am a loooong way off but maybe one day
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How about a barometric pressure sensor being used as an altimeter. Difference in altitude over time would give you the average velocity for that period. It may only be accurate enough for taller buildings…
...and then these guys at thyssenkrupp Elevator come along and ruin your day...
https://multi.thyssenkrupp-elevator.com/en/
An Elevator That Actually Goes Sideways
https://www.youtube.com/watch?v=kdTs…
Hi Enrico,
As long as the elevator itself isn't air tight the barometric pressure measurement should work well indoors. It is in fact just a measurement of the force (weight) of a column of air. Even if…